56513459 has 6 divisors (see below), whose sum is σ = 56947884. Its totient is φ = 56082320.

The previous prime is 56513453. The next prime is 56513473. The reversal of 56513459 is 95431565.

It is not a de Polignac number, because 56513459 - 2²⁴ = 39736243 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 17264 + ... + 20274.

It is an arithmetic number, because the mean of its divisors is an integer number (9491314).

Almost surely, 2^56513459 is an apocalyptic number.

56513459 is a deficient number, since it is larger than the sum of its proper divisors (434425).

56513459 is an equidigital number, since it uses as much as digits as its factorization.

56513459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3148 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 56513459 is about 7517.5434152388. The cubic root of 56513459 is about 383.7519805943.

The spelling of 56513459 in words is "fifty-six million, five hundred thirteen thousand, four hundred fifty-nine".