56667763 has 2 divisors, whose sum is σ = 56667764. Its totient is φ = 56667762.

The previous prime is 56667713. The next prime is 56667773. The reversal of 56667763 is 36776665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56667763 - 2⁹ = 56667251 is a prime.

It is a super-2 number, since 2×56667763² = 6422470726848338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56667713) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28333881 + 28333882.

It is an arithmetic number, because the mean of its divisors is an integer number (28333882).

Almost surely, 2^56667763 is an apocalyptic number.

56667763 is a deficient number, since it is larger than the sum of its proper divisors (1).

56667763 is an equidigital number, since it uses as much as digits as its factorization.

56667763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 46.

The square root of 56667763 is about 7527.7993464226. The cubic root of 56667763 is about 384.1009278795.

The spelling of 56667763 in words is "fifty-six million, six hundred sixty-seven thousand, seven hundred sixty-three".