57065504 has 24 divisors (see below), whose sum is σ = 116223660. Its totient is φ = 27548416.

The previous prime is 57065501. The next prime is 57065509. The reversal of 57065504 is 40556075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51552400 + 5513104 = 7180^2 + 2348^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (57065501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29819 + ... + 31674.

Almost surely, 2^57065504 is an apocalyptic number.

It is an amenable number.

57065504 is an abundant number, since it is smaller than the sum of its proper divisors (59158156).

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

57065504 is a wasteful number, since it uses less digits than its factorization.

57065504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61532 (or 61524 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57065504 is about 7554.1712980313. The cubic root of 57065504 is about 384.9974790412.

The spelling of 57065504 in words is "fifty-seven million, sixty-five thousand, five hundred four".