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53125884 = 223271712401
BaseRepresentation
bin1100101010101…
…0001011111100
310200222002000100
43022222023330
5102100012014
65134401100
71213363650
oct312521374
9120862010
1053125884
1127a96299
1215960190
13b011146
1470aca60
1549e6009
hex32aa2fc

53125884 has 72 divisors (see below), whose sum is σ = 162515808. Its totient is φ = 14284800.

The previous prime is 53125879. The next prime is 53125903. The reversal of 53125884 is 48852135.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (2257164).

Almost surely, 253125884 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 53125884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81257904).

53125884 is an abundant number, since it is smaller than the sum of its proper divisors (109389924).

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

53125884 is a wasteful number, since it uses less digits than its factorization.

53125884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435 (or 12430 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 53125884 is about 7288.7505102041. The cubic root of 53125884 is about 375.9257341629.

The spelling of 53125884 in words is "fifty-three million, one hundred twenty-five thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 204 238 252 306 357 476 612 714 1071 1428 2142 4284 12401 24802 37203 49604 74406 86807 111609 148812 173614 210817 223218 260421 347228 421634 446436 520842 632451 781263 843268 1041684 1264902 1475719 1562526 1897353 2529804 2951438 3125052 3794706 4427157 5902876 7589412 8854314 13281471 17708628 26562942 53125884