56831700 has 36 divisors (see below), whose sum is σ = 164433920. Its totient is φ = 15155040.

The previous prime is 56831669. The next prime is 56831759. The reversal of 56831700 is 713865.

It is a super-3 number, since 3×56831700³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94420 + ... + 95019.

Almost surely, 2^56831700 is an apocalyptic number.

56831700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56831700 is an abundant number, since it is smaller than the sum of its proper divisors (107602220).

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

56831700 is a wasteful number, since it uses less digits than its factorization.

56831700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189456 (or 189449 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 56831700 is about 7538.6802558538. The cubic root of 56831700 is about 384.4709661897.

The spelling of 56831700 in words is "fifty-six million, eight hundred thirty-one thousand, seven hundred".