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54795520 = 285133789
BaseRepresentation
bin1101000100000…
…1110100000000
310211002220022201
43101001310000
5103011424040
65234242544
71233516463
oct321016400
9124086281
1054795520
1128a2675a
1216426454
13b4770b0
1473c52da
154c25a9a
hex3441d00

54795520 has 144 divisors (see below), whose sum is σ = 146800080. Its totient is φ = 19464192.

The previous prime is 54795497. The next prime is 54795523. The reversal of 54795520 is 2559745.

It can be written as a sum of positive squares in 8 ways, for example, as 2262016 + 52533504 = 1504^2 + 7248^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 54795520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54795523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615636 + ... + 615724.

It is an arithmetic number, because the mean of its divisors is an integer number (1019445).

Almost surely, 254795520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54795520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73400040).

54795520 is an abundant number, since it is smaller than the sum of its proper divisors (92004560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54795520 is a wasteful number, since it uses less digits than its factorization.

54795520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 54795520 is about 7402.3996109370. The cubic root of 54795520 is about 379.8233712838.

The spelling of 54795520 in words is "fifty-four million, seven hundred ninety-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 89 104 128 130 148 160 178 185 208 256 260 296 320 356 370 416 445 481 520 592 640 712 740 832 890 962 1040 1157 1184 1280 1424 1480 1664 1780 1924 2080 2314 2368 2405 2848 2960 3293 3328 3560 3848 4160 4628 4736 4810 5696 5785 5920 6586 7120 7696 8320 9256 9472 9620 11392 11570 11840 13172 14240 15392 16465 16640 18512 19240 22784 23140 23680 26344 28480 30784 32930 37024 38480 42809 46280 47360 52688 56960 61568 65860 74048 76960 85618 92560 105376 113920 123136 131720 148096 153920 171236 185120 210752 214045 263440 296192 307840 342472 370240 421504 428090 526880 615680 684944 740480 843008 856180 1053760 1369888 1480960 1712360 2107520 2739776 3424720 4215040 5479552 6849440 10959104 13698880 27397760 54795520