56490897 has 16 divisors (see below), whose sum is σ = 79857152. Its totient is φ = 35458560.

The previous prime is 56490877. The next prime is 56490899. The reversal of 56490897 is 79809465.

It is not a de Polignac number, because 56490897 - 2⁷ = 56490769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56490899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4768 + ... + 11649.

It is an arithmetic number, because the mean of its divisors is an integer number (4991072).

Almost surely, 2^56490897 is an apocalyptic number.

It is an amenable number.

56490897 is a deficient number, since it is larger than the sum of its proper divisors (23366255).

56490897 is a wasteful number, since it uses less digits than its factorization.

56490897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16488.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 56490897 is about 7516.0426422420. The cubic root of 56490897 is about 383.7009050641.

The spelling of 56490897 in words is "fifty-six million, four hundred ninety thousand, eight hundred ninety-seven".