56716519 has 12 divisors (see below), whose sum is σ = 58931992. Its totient is φ = 54568800.

The previous prime is 56716483. The next prime is 56716537. The reversal of 56716519 is 91561765.

It is not a de Polignac number, because 56716519 - 2¹⁹ = 56192231 is a prime.

It is a super-2 number, since 2×56716519² = 6433527054954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56716619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171184 + ... + 171514.

Almost surely, 2^56716519 is an apocalyptic number.

56716519 is a deficient number, since it is larger than the sum of its proper divisors (2215473).

56716519 is an equidigital number, since it uses as much as digits as its factorization.

56716519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 445 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 56716519 is about 7531.0370467818. The cubic root of 56716519 is about 384.2110543168.

The spelling of 56716519 in words is "fifty-six million, seven hundred sixteen thousand, five hundred nineteen".