56685000 has 80 divisors (see below), whose sum is σ = 177130800. Its totient is φ = 15112000.

The previous prime is 56684911. The next prime is 56685029. The reversal of 56685000 is 58665.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13111 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (2214135).

Almost surely, 2^56685000 is an apocalyptic number.

56685000 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 56685000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88565400).

56685000 is an abundant number, since it is smaller than the sum of its proper divisors (120445800).

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

56685000 is a wasteful number, since it uses less digits than its factorization.

56685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56685000 is about 7528.9441490823. The cubic root of 56685000 is about 384.1398687527.

The spelling of 56685000 in words is "fifty-six million, six hundred eighty-five thousand".