56573700 has 36 divisors (see below), whose sum is σ = 163687440. Its totient is φ = 15086240.

The previous prime is 56573669. The next prime is 56573701. The reversal of 56573700 is 737565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56573701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93990 + ... + 94589.

Almost surely, 2^56573700 is an apocalyptic number.

56573700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56573700 is an abundant number, since it is smaller than the sum of its proper divisors (107113740).

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

56573700 is a wasteful number, since it uses less digits than its factorization.

56573700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188596 (or 188589 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 56573700 is about 7521.5490425842. The cubic root of 56573700 is about 383.8882867310. Note that the first 3 decimals are identical.

The spelling of 56573700 in words is "fifty-six million, five hundred seventy-three thousand, seven hundred".