57065992 has 16 divisors (see below), whose sum is σ = 107160300. Its totient is φ = 28489920.

The previous prime is 57065963. The next prime is 57065993. The reversal of 57065992 is 29956075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 1623076 = 7446^2 + 1274^2 .

It is not an unprimeable number, because it can be changed into a prime (57065993) 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, 642 + ... + 10702.

Almost surely, 2^57065992 is an apocalyptic number.

It is an amenable number.

57065992 is a deficient number, since it is larger than the sum of its proper divisors (50094308).

57065992 is a wasteful number, since it uses less digits than its factorization.

57065992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776 (or 10772 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 57065992 is about 7554.2035979976. The cubic root of 57065992 is about 384.9985764832.

The spelling of 57065992 in words is "fifty-seven million, sixty-five thousand, nine hundred ninety-two".