57638764 has 12 divisors (see below), whose sum is σ = 101794000. Its totient is φ = 28554768.

The previous prime is 57638731. The next prime is 57638773. The reversal of 57638764 is 46783675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65664 + ... + 66535.

Almost surely, 2^57638764 is an apocalyptic number.

It is an amenable number.

57638764 is a deficient number, since it is larger than the sum of its proper divisors (44155236).

57638764 is a wasteful number, since it uses less digits than its factorization.

57638764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132312 (or 132310 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 57638764 is about 7592.0197576139. The cubic root of 57638764 is about 386.2823692077.

It can be divided in two parts, 576 and 38764, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 57638764 in words is "fifty-seven million, six hundred thirty-eight thousand, seven hundred sixty-four".