56937263 has 2 divisors, whose sum is σ = 56937264. Its totient is φ = 56937262.

The previous prime is 56937229. The next prime is 56937271. The reversal of 56937263 is 36273965.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56937263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56937263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56937563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28468631 + 28468632.

It is an arithmetic number, because the mean of its divisors is an integer number (28468632).

Almost surely, 2^56937263 is an apocalyptic number.

56937263 is a deficient number, since it is larger than the sum of its proper divisors (1).

56937263 is an equidigital number, since it uses as much as digits as its factorization.

56937263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 56937263 is about 7545.6784320563. The cubic root of 56937263 is about 384.7088663141.

The spelling of 56937263 in words is "fifty-six million, nine hundred thirty-seven thousand, two hundred sixty-three".