57783664 has 10 divisors (see below), whose sum is σ = 111955880. Its totient is φ = 28891824.

The previous prime is 57783619. The next prime is 57783667. The reversal of 57783664 is 46638775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57783667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805724 + ... + 1805755.

It is an arithmetic number, because the mean of its divisors is an integer number (11195588).

Almost surely, 2^57783664 is an apocalyptic number.

It is an amenable number.

57783664 is a deficient number, since it is larger than the sum of its proper divisors (54172216).

57783664 is a wasteful number, since it uses less digits than its factorization.

57783664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611487 (or 3611481 counting only the distinct ones).

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

The square root of 57783664 is about 7601.5566826802. The cubic root of 57783664 is about 386.6057943546.

The spelling of 57783664 in words is "fifty-seven million, seven hundred eighty-three thousand, six hundred sixty-four".