56537340 has 48 divisors (see below), whose sum is σ = 160997760. Its totient is φ = 14820160.

The previous prime is 56537333. The next prime is 56537363. The reversal of 56537340 is 4373565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4446 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (3354120).

Almost surely, 2^56537340 is an apocalyptic number.

It is an amenable number.

56537340 is an abundant number, since it is smaller than the sum of its proper divisors (104460420).

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

56537340 is a wasteful number, since it uses less digits than its factorization.

56537340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16042 (or 16040 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 56537340 is about 7519.1315987952. The cubic root of 56537340 is about 383.8060272506.

The spelling of 56537340 in words is "fifty-six million, five hundred thirty-seven thousand, three hundred forty".