56304947 has 2 divisors, whose sum is σ = 56304948. Its totient is φ = 56304946.

The previous prime is 56304929. The next prime is 56304953. The reversal of 56304947 is 74940365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56304947 - 2⁶ = 56304883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56304947.

It is not a weakly prime, because it can be changed into another prime (56304907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28152473 + 28152474.

It is an arithmetic number, because the mean of its divisors is an integer number (28152474).

Almost surely, 2^56304947 is an apocalyptic number.

56304947 is a deficient number, since it is larger than the sum of its proper divisors (1).

56304947 is an equidigital number, since it uses as much as digits as its factorization.

56304947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 56304947 is about 7503.6622392003. The cubic root of 56304947 is about 383.2794353123.

The spelling of 56304947 in words is "fifty-six million, three hundred four thousand, nine hundred forty-seven".