56522351 has 2 divisors, whose sum is σ = 56522352. Its totient is φ = 56522350.

The previous prime is 56522329. The next prime is 56522353. The reversal of 56522351 is 15322565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56522351 - 2¹⁸ = 56260207 is a prime.

It is a Sophie Germain prime.

Together with 56522353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56522353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261175 + 28261176.

It is an arithmetic number, because the mean of its divisors is an integer number (28261176).

Almost surely, 2^56522351 is an apocalyptic number.

56522351 is a deficient number, since it is larger than the sum of its proper divisors (1).

56522351 is an equidigital number, since it uses as much as digits as its factorization.

56522351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 56522351 is about 7518.1348085812. The cubic root of 56522351 is about 383.7721064412.

The spelling of 56522351 in words is "fifty-six million, five hundred twenty-two thousand, three hundred fifty-one".