56612519 has 2 divisors, whose sum is σ = 56612520. Its totient is φ = 56612518.

The previous prime is 56612503. The next prime is 56612527. The reversal of 56612519 is 91521665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56612519 - 2⁴ = 56612503 is a prime.

It is a super-2 number, since 2×56612519² = 6409954615050722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56612539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28306259 + 28306260.

It is an arithmetic number, because the mean of its divisors is an integer number (28306260).

Almost surely, 2^56612519 is an apocalyptic number.

56612519 is a deficient number, since it is larger than the sum of its proper divisors (1).

56612519 is an equidigital number, since it uses as much as digits as its factorization.

56612519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 56612519 is about 7524.1291190410. The cubic root of 56612519 is about 383.9760704670.

The spelling of 56612519 in words is "fifty-six million, six hundred twelve thousand, five hundred nineteen".