56022971 has 2 divisors, whose sum is σ = 56022972. Its totient is φ = 56022970.

The previous prime is 56022959. The next prime is 56022979. The reversal of 56022971 is 17922065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56022971 - 2⁶ = 56022907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56022979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28011485 + 28011486.

It is an arithmetic number, because the mean of its divisors is an integer number (28011486).

Almost surely, 2^56022971 is an apocalyptic number.

56022971 is a deficient number, since it is larger than the sum of its proper divisors (1).

56022971 is an equidigital number, since it uses as much as digits as its factorization.

56022971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56022971 is about 7484.8494306833. The cubic root of 56022971 is about 382.6385412393.

The spelling of 56022971 in words is "fifty-six million, twenty-two thousand, nine hundred seventy-one".