57817964 has 12 divisors (see below), whose sum is σ = 101352384. Its totient is φ = 28860144.

The previous prime is 57817961. The next prime is 57817987. The reversal of 57817964 is 46971875.

It is a super-2 number, since 2×57817964² = 6685833922210592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57817961) 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, 9479 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (8446032).

Almost surely, 2^57817964 is an apocalyptic number.

It is an amenable number.

57817964 is a deficient number, since it is larger than the sum of its proper divisors (43534420).

57817964 is a wasteful number, since it uses less digits than its factorization.

57817964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24424 (or 24422 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 57817964 is about 7603.8124648100. The cubic root of 57817964 is about 386.6822747696.

The spelling of 57817964 in words is "fifty-seven million, eight hundred seventeen thousand, nine hundred sixty-four".