57612552 has 32 divisors (see below), whose sum is σ = 147926400. Its totient is φ = 18684864.

The previous prime is 57612547. The next prime is 57612559. The reversal of 57612552 is 25521675.

It is a super-2 number, since 2×57612552² = 6638412295905408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57612559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31552 + ... + 33327.

It is an arithmetic number, because the mean of its divisors is an integer number (4622700).

Almost surely, 2^57612552 is an apocalyptic number.

It is an amenable number.

57612552 is an abundant number, since it is smaller than the sum of its proper divisors (90313848).

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

57612552 is a wasteful number, since it uses less digits than its factorization.

57612552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64925 (or 64921 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 57612552 is about 7590.2932749664. The cubic root of 57612552 is about 386.2238046352.

The spelling of 57612552 in words is "fifty-seven million, six hundred twelve thousand, five hundred fifty-two".