56223571 has 2 divisors, whose sum is σ = 56223572. Its totient is φ = 56223570.

The previous prime is 56223533. The next prime is 56223577. The reversal of 56223571 is 17532265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56223571 - 2¹⁷ = 56092499 is a prime.

It is a super-2 number, since 2×56223571² = 6322179871984082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56223577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28111785 + 28111786.

It is an arithmetic number, because the mean of its divisors is an integer number (28111786).

Almost surely, 2^56223571 is an apocalyptic number.

56223571 is a deficient number, since it is larger than the sum of its proper divisors (1).

56223571 is an equidigital number, since it uses as much as digits as its factorization.

56223571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 56223571 is about 7498.2378596574. The cubic root of 56223571 is about 383.0946985235.

The spelling of 56223571 in words is "fifty-six million, two hundred twenty-three thousand, five hundred seventy-one".