56100728 has 16 divisors (see below), whose sum is σ = 105887760. Its totient is φ = 27864000.

The previous prime is 56100713. The next prime is 56100739. The reversal of 56100728 is 82700165.

It is a self number, because there is not a number n which added to its sum of digits gives 56100728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22013 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (6617985).

Almost surely, 2^56100728 is an apocalyptic number.

It is an amenable number.

56100728 is a deficient number, since it is larger than the sum of its proper divisors (49787032).

56100728 is a wasteful number, since it uses less digits than its factorization.

56100728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46598 (or 46594 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 56100728 is about 7490.0419224461. The cubic root of 56100728 is about 382.8154869338.

The spelling of 56100728 in words is "fifty-six million, one hundred thousand, seven hundred twenty-eight".