57539012 has 6 divisors (see below), whose sum is σ = 100693278. Its totient is φ = 28769504.

The previous prime is 57538969. The next prime is 57539021. The reversal of 57539012 is 21093575.

It can be written as a sum of positive squares in only one way, i.e., 31181056 + 26357956 = 5584^2 + 5134^2 .

It is a super-2 number, since 2×57539012² = 6621475803872288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57539012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7192373 + ... + 7192380.

It is an arithmetic number, because the mean of its divisors is an integer number (16782213).

Almost surely, 2^57539012 is an apocalyptic number.

It is an amenable number.

57539012 is a deficient number, since it is larger than the sum of its proper divisors (43154266).

57539012 is a wasteful number, since it uses less digits than its factorization.

57539012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384757 (or 14384755 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 57539012 is about 7585.4473829828. The cubic root of 57539012 is about 386.0594018490.

The spelling of 57539012 in words is "fifty-seven million, five hundred thirty-nine thousand, twelve".