56318419 has 2 divisors, whose sum is σ = 56318420. Its totient is φ = 56318418.

The previous prime is 56318417. The next prime is 56318453. The reversal of 56318419 is 91481365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56318419 - 2¹ = 56318417 is a prime.

It is a super-2 number, since 2×56318419² = 6343528637319122, which contains 22 as substring.

Together with 56318417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56318417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28159209 + 28159210.

It is an arithmetic number, because the mean of its divisors is an integer number (28159210).

Almost surely, 2^56318419 is an apocalyptic number.

56318419 is a deficient number, since it is larger than the sum of its proper divisors (1).

56318419 is an equidigital number, since it uses as much as digits as its factorization.

56318419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 56318419 is about 7504.5598804993. The cubic root of 56318419 is about 383.3100017726.

The spelling of 56318419 in words is "fifty-six million, three hundred eighteen thousand, four hundred nineteen".