56513457 has 160 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 24883200.

The previous prime is 56513453. The next prime is 56513473. The reversal of 56513457 is 75431565.

It is not a de Polignac number, because 56513457 - 2² = 56513453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56513453) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1378357 + ... + 1378397.

Almost surely, 2^56513457 is an apocalyptic number.

It is an amenable number.

56513457 is an abundant number, since it is smaller than the sum of its proper divisors (66430287).

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

56513457 is a wasteful number, since it uses less digits than its factorization.

56513457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 92 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 56513457 is about 7517.5432822166. The cubic root of 56513457 is about 383.7519760674.

The spelling of 56513457 in words is "fifty-six million, five hundred thirteen thousand, four hundred fifty-seven".