56309700 has 36 divisors (see below), whose sum is σ = 162923600. Its totient is φ = 15015840.

The previous prime is 56309689. The next prime is 56309707. The reversal of 56309700 is 790365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56309707) 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, 93550 + ... + 94149.

Almost surely, 2^56309700 is an apocalyptic number.

56309700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56309700 is an abundant number, since it is smaller than the sum of its proper divisors (106613900).

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

56309700 is a wasteful number, since it uses less digits than its factorization.

56309700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187716 (or 187709 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 56309700 is about 7503.9789445334. The cubic root of 56309700 is about 383.2902198939.

The spelling of 56309700 in words is "fifty-six million, three hundred nine thousand, seven hundred".