56707644 has 48 divisors (see below), whose sum is σ = 156441600. Its totient is φ = 15642816.

The previous prime is 56707639. The next prime is 56707657. The reversal of 56707644 is 44670765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9204 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (3259200).

Almost surely, 2^56707644 is an apocalyptic number.

It is an amenable number.

56707644 is an abundant number, since it is smaller than the sum of its proper divisors (99733956).

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

56707644 is a wasteful number, since it uses less digits than its factorization.

56707644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322 (or 23320 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 56707644 is about 7530.4477954501. The cubic root of 56707644 is about 384.1910128248.

The spelling of 56707644 in words is "fifty-six million, seven hundred seven thousand, six hundred forty-four".