56724379 has 2 divisors, whose sum is σ = 56724380. Its totient is φ = 56724378.

The previous prime is 56724373. The next prime is 56724383. The reversal of 56724379 is 97342765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56724379 - 2⁷ = 56724251 is a prime.

It is not a weakly prime, because it can be changed into another prime (56724373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28362189 + 28362190.

It is an arithmetic number, because the mean of its divisors is an integer number (28362190).

Almost surely, 2^56724379 is an apocalyptic number.

56724379 is a deficient number, since it is larger than the sum of its proper divisors (1).

56724379 is an equidigital number, since it uses as much as digits as its factorization.

56724379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 56724379 is about 7531.5588691851. The cubic root of 56724379 is about 384.2288019939.

The spelling of 56724379 in words is "fifty-six million, seven hundred twenty-four thousand, three hundred seventy-nine".