56249279 has 2 divisors, whose sum is σ = 56249280. Its totient is φ = 56249278.

The previous prime is 56249273. The next prime is 56249293. The reversal of 56249279 is 97294265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56249279 - 2⁸ = 56249023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56249273) 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, 28124639 + 28124640.

It is an arithmetic number, because the mean of its divisors is an integer number (28124640).

Almost surely, 2^56249279 is an apocalyptic number.

56249279 is a deficient number, since it is larger than the sum of its proper divisors (1).

56249279 is an equidigital number, since it uses as much as digits as its factorization.

56249279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 56249279 is about 7499.9519331793. The cubic root of 56249279 is about 383.1530791258.

The spelling of 56249279 in words is "fifty-six million, two hundred forty-nine thousand, two hundred seventy-nine".