56019499 has 2 divisors, whose sum is σ = 56019500. Its totient is φ = 56019498.

The previous prime is 56019487. The next prime is 56019521. The reversal of 56019499 is 99491065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56019499 - 2⁷ = 56019371 is a prime.

It is a super-2 number, since 2×56019499² = 6276368536422002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56019409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28009749 + 28009750.

It is an arithmetic number, because the mean of its divisors is an integer number (28009750).

Almost surely, 2^56019499 is an apocalyptic number.

56019499 is a deficient number, since it is larger than the sum of its proper divisors (1).

56019499 is an equidigital number, since it uses as much as digits as its factorization.

56019499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 56019499 is about 7484.6174918963. The cubic root of 56019499 is about 382.6306364553.

The spelling of 56019499 in words is "fifty-six million, nineteen thousand, four hundred ninety-nine".