56645756 has 6 divisors (see below), whose sum is σ = 99130080. Its totient is φ = 28322876.

The previous prime is 56645731. The next prime is 56645761. The reversal of 56645756 is 65754665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7080716 + ... + 7080723.

It is an arithmetic number, because the mean of its divisors is an integer number (16521680).

Almost surely, 2^56645756 is an apocalyptic number.

It is an amenable number.

56645756 is a deficient number, since it is larger than the sum of its proper divisors (42484324).

56645756 is a wasteful number, since it uses less digits than its factorization.

56645756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161443 (or 14161441 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 56645756 is about 7526.3374891112. The cubic root of 56645756 is about 384.0511994087.

The spelling of 56645756 in words is "fifty-six million, six hundred forty-five thousand, seven hundred fifty-six".