56339680 has 24 divisors (see below), whose sum is σ = 133102872. Its totient is φ = 22535808.

The previous prime is 56339677. The next prime is 56339681. The reversal of 56339680 is 8693365.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56339681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175902 + ... + 176221.

It is an arithmetic number, because the mean of its divisors is an integer number (5545953).

Almost surely, 2^56339680 is an apocalyptic number.

It is an amenable number.

56339680 is an abundant number, since it is smaller than the sum of its proper divisors (76763192).

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

56339680 is a wasteful number, since it uses less digits than its factorization.

56339680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352138 (or 352130 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 56339680 is about 7505.9762856007. The cubic root of 56339680 is about 383.3582306870.

The spelling of 56339680 in words is "fifty-six million, three hundred thirty-nine thousand, six hundred eighty".