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53716572 = 223271319863
BaseRepresentation
bin1100110011101…
…0011001011100
310202002002021200
43030322121130
5102222412242
65155155500
71221404040
oct314723134
9122062250
1053716572
112835a068
1215ba5b90
13b189c70
1471c4020
154ab104c
hex333a65c

53716572 has 144 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 13405824.

The previous prime is 53716571. The next prime is 53716627. The reversal of 53716572 is 27561735.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53716571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61813 + ... + 62675.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 253716572 is an apocalyptic number.

53716572 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53716572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

53716572 is an abundant number, since it is smaller than the sum of its proper divisors (122401188).

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

53716572 is a wasteful number, since it uses less digits than its factorization.

53716572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 907 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 53716572 is about 7329.1590240627. The cubic root of 53716572 is about 377.3138640567.

The spelling of 53716572 in words is "fifty-three million, seven hundred sixteen thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 19 21 26 28 36 38 39 42 52 57 63 76 78 84 91 114 117 126 133 156 171 182 228 234 247 252 266 273 342 364 399 468 494 532 546 684 741 798 819 863 988 1092 1197 1482 1596 1638 1726 1729 2223 2394 2589 2964 3276 3452 3458 4446 4788 5178 5187 6041 6916 7767 8892 10356 10374 11219 12082 15534 15561 16397 18123 20748 22438 24164 31068 31122 32794 33657 36246 44876 49191 54369 62244 65588 67314 72492 78533 98382 100971 108738 114779 134628 147573 157066 196764 201942 213161 217476 229558 235599 295146 314132 344337 403884 426322 459116 471198 590292 639483 688674 706797 852644 942396 1033011 1278966 1377348 1413594 1492127 1918449 2066022 2557932 2827188 2984254 3836898 4132044 4476381 5968508 7673796 8952762 13429143 17905524 26858286 53716572