56499457403 has 4 divisors (see below), whose sum is σ = 56507152800. Its totient is φ = 56491762008.

The previous prime is 56499457397. The next prime is 56499457409. The reversal of 56499457403 is 30475499465.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56499457397) and next prime (56499457409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56499457403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56499457409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836675 + ... + 3851372.

It is an arithmetic number, because the mean of its divisors is an integer number (14126788200).

Almost surely, 2^56499457403 is an apocalyptic number.

56499457403 is a deficient number, since it is larger than the sum of its proper divisors (7695397).

56499457403 is an equidigital number, since it uses as much as digits as its factorization.

56499457403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695396.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 56499457403 in words is "fifty-six billion, four hundred ninety-nine million, four hundred fifty-seven thousand, four hundred three".