56546028 has 72 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 14686560.

The previous prime is 56546003. The next prime is 56546051. The reversal of 56546028 is 82064565.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56545983 and 56546001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7428 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (2475200).

Almost surely, 2^56546028 is an apocalyptic number.

It is an amenable number.

56546028 is an abundant number, since it is smaller than the sum of its proper divisors (121668372).

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

56546028 is a wasteful number, since it uses less digits than its factorization.

56546028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20427 (or 20422 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 56546028 is about 7519.7093028920. The cubic root of 56546028 is about 383.8256858572.

The spelling of 56546028 in words is "fifty-six million, five hundred forty-six thousand, twenty-eight".