56445811 has 2 divisors, whose sum is σ = 56445812. Its totient is φ = 56445810.

The previous prime is 56445793. The next prime is 56445853. The reversal of 56445811 is 11854465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56445811 - 2⁹ = 56445299 is a prime.

It is a super-2 number, since 2×56445811² = 6372259158895442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56445871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28222905 + 28222906.

It is an arithmetic number, because the mean of its divisors is an integer number (28222906).

Almost surely, 2^56445811 is an apocalyptic number.

56445811 is a deficient number, since it is larger than the sum of its proper divisors (1).

56445811 is an equidigital number, since it uses as much as digits as its factorization.

56445811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 34.

The square root of 56445811 is about 7513.0427258202. The cubic root of 56445811 is about 383.5987992719.

The spelling of 56445811 in words is "fifty-six million, four hundred forty-five thousand, eight hundred eleven".