56322919 has 2 divisors, whose sum is σ = 56322920. Its totient is φ = 56322918.

The previous prime is 56322913. The next prime is 56322977. The reversal of 56322919 is 91922365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56322919 - 2³ = 56322911 is a prime.

It is a super-2 number, since 2×56322919² = 6344542409361122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56322911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161459 + 28161460.

It is an arithmetic number, because the mean of its divisors is an integer number (28161460).

Almost surely, 2^56322919 is an apocalyptic number.

56322919 is a deficient number, since it is larger than the sum of its proper divisors (1).

56322919 is an equidigital number, since it uses as much as digits as its factorization.

56322919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 56322919 is about 7504.8596922261. The cubic root of 56322919 is about 383.3202106829.

The spelling of 56322919 in words is "fifty-six million, three hundred twenty-two thousand, nine hundred nineteen".