57269520 has 240 divisors, whose sum is σ = 240020352. Its totient is φ = 11888640.

The previous prime is 57269489. The next prime is 57269533. The reversal of 57269520 is 2596275.

57269520 is a `hidden beast` number, since 5 + 72 + 69 + 520 = 666.

57269520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54924 + ... + 55956.

Almost surely, 2^57269520 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 57269520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120010176).

57269520 is an abundant number, since it is smaller than the sum of its proper divisors (182750832).

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

57269520 is a wasteful number, since it uses less digits than its factorization.

57269520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 57269520 is about 7567.6627831848. The cubic root of 57269520 is about 385.4557373718.

The spelling of 57269520 in words is "fifty-seven million, two hundred sixty-nine thousand, five hundred twenty".