56918299 has 2 divisors, whose sum is σ = 56918300. Its totient is φ = 56918298.

The previous prime is 56918293. The next prime is 56918317. The reversal of 56918299 is 99281965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56918299 - 2⁷ = 56918171 is a prime.

It is a super-2 number, since 2×56918299² = 6479385522106802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56918293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28459149 + 28459150.

It is an arithmetic number, because the mean of its divisors is an integer number (28459150).

Almost surely, 2^56918299 is an apocalyptic number.

56918299 is a deficient number, since it is larger than the sum of its proper divisors (1).

56918299 is an equidigital number, since it uses as much as digits as its factorization.

56918299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 56918299 is about 7544.4217140878. The cubic root of 56918299 is about 384.6661501227. Note that the first 3 decimals are identical.

The spelling of 56918299 in words is "fifty-six million, nine hundred eighteen thousand, two hundred ninety-nine".