56437490 has 16 divisors (see below), whose sum is σ = 101727360. Its totient is φ = 22543920.

The previous prime is 56437477. The next prime is 56437499. The reversal of 56437490 is 9473465.

It is a super-3 number, since 3×56437490³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56437499) 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, 4631 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (6357960).

Almost surely, 2^56437490 is an apocalyptic number.

56437490 is a deficient number, since it is larger than the sum of its proper divisors (45289870).

56437490 is a wasteful number, since it uses less digits than its factorization.

56437490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 56437490 is about 7512.4889351000. The cubic root of 56437490 is about 383.5799488476.

The spelling of 56437490 in words is "fifty-six million, four hundred thirty-seven thousand, four hundred ninety".