56573000 has 128 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 19872000.

The previous prime is 56572987. The next prime is 56573009. The reversal of 56573000 is 37565.

It is not an unprimeable number, because it can be changed into a prime (56573009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406931 + ... + 407069.

It is an arithmetic number, because the mean of its divisors is an integer number (1167075).

Almost surely, 2^56573000 is an apocalyptic number.

56573000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56573000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74692800).

56573000 is an abundant number, since it is smaller than the sum of its proper divisors (92812600).

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

56573000 is a wasteful number, since it uses less digits than its factorization.

56573000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 56573000 is about 7521.5025094724. The cubic root of 56573000 is about 383.8867034104.

The spelling of 56573000 in words is "fifty-six million, five hundred seventy-three thousand".