56231299 has 2 divisors, whose sum is σ = 56231300. Its totient is φ = 56231298.

The previous prime is 56231281. The next prime is 56231309. The reversal of 56231299 is 99213265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56231299 - 2¹⁷ = 56100227 is a prime.

It is not a weakly prime, because it can be changed into another prime (56231209) 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, 28115649 + 28115650.

It is an arithmetic number, because the mean of its divisors is an integer number (28115650).

Almost surely, 2^56231299 is an apocalyptic number.

56231299 is a deficient number, since it is larger than the sum of its proper divisors (1).

56231299 is an equidigital number, since it uses as much as digits as its factorization.

56231299 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 56231299 is about 7498.7531630265. The cubic root of 56231299 is about 383.1122500008.

The spelling of 56231299 in words is "fifty-six million, two hundred thirty-one thousand, two hundred ninety-nine".