56087320 has 32 divisors (see below), whose sum is σ = 127455120. Its totient is φ = 22211200.

The previous prime is 56087299. The next prime is 56087321. The reversal of 56087320 is 2378065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56087321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902 + ... + 10981.

Almost surely, 2^56087320 is an apocalyptic number.

It is an amenable number.

56087320 is an abundant number, since it is smaller than the sum of its proper divisors (71367800).

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

56087320 is a wasteful number, since it uses less digits than its factorization.

56087320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995 (or 13991 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 56087320 is about 7489.1468138901. The cubic root of 56087320 is about 382.7849870384.

The spelling of 56087320 in words is "fifty-six million, eighty-seven thousand, three hundred twenty".