56682390 has 32 divisors (see below), whose sum is σ = 137085696. Its totient is φ = 14998880.

The previous prime is 56682371. The next prime is 56682391. The reversal of 56682390 is 9328665.

It is a super-2 number, since 2×56682390² = 6425786672224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56682391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (4283928).

Almost surely, 2^56682390 is an apocalyptic number.

56682390 is an abundant number, since it is smaller than the sum of its proper divisors (80403306).

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

56682390 is a wasteful number, since it uses less digits than its factorization.

56682390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56682390 is about 7528.7708160097. The cubic root of 56682390 is about 384.1339728928.

The spelling of 56682390 in words is "fifty-six million, six hundred eighty-two thousand, three hundred ninety".