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54950805 = 355721371
BaseRepresentation
bin1101000110011…
…1101110010101
310211101210100000
43101213232111
5103031411210
65241441513
71235034300
oct321475625
9124353300
1054950805
1129022398
12164a0299
13b4cc990
147425b37
154c56ac0
hex3467b95

54950805 has 144 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 22861440.

The previous prime is 54950803. The next prime is 54950807. The reversal of 54950805 is 50805945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54950803) and next prime (54950807).

It is not a de Polignac number, because 54950805 - 21 = 54950803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54950805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54950801) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 773920 + ... + 773990.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 254950805 is an apocalyptic number.

It is an amenable number.

54950805 is an abundant number, since it is smaller than the sum of its proper divisors (70533099).

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

54950805 is a wasteful number, since it uses less digits than its factorization.

54950805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 54950805 is about 7412.8810188752. The cubic root of 54950805 is about 380.1818266494.

It can be divided in two parts, 54950 and 805, that added together give a palindrome (55755).

The spelling of 54950805 in words is "fifty-four million, nine hundred fifty thousand, eight hundred five".

Divisors: 1 3 5 7 9 13 15 21 27 35 39 45 49 63 65 71 81 91 105 117 135 147 189 195 213 243 245 273 315 351 355 405 441 455 497 567 585 637 639 735 819 923 945 1053 1065 1215 1323 1365 1491 1701 1755 1911 1917 2205 2457 2485 2769 2835 3159 3185 3195 3479 3969 4095 4473 4615 5265 5733 5751 6461 6615 7371 7455 8307 8505 9555 9585 10437 11907 12285 13419 13845 15795 17199 17253 17395 19383 19845 22113 22365 24921 28665 28755 31311 32305 36855 40257 41535 45227 51597 52185 58149 59535 67095 74763 85995 86265 93933 96915 110565 120771 124605 135681 154791 156555 174447 201285 224289 226135 257985 281799 290745 373815 407043 469665 523341 603855 678405 773955 845397 872235 1121445 1221129 1408995 1570023 2035215 2616705 3663387 4226985 6105645 7850115 10990161 18316935 54950805