56657045267 has 2 divisors, whose sum is σ = 56657045268. Its totient is φ = 56657045266.

The previous prime is 56657045257. The next prime is 56657045287. The reversal of 56657045267 is 76254075665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56657045267 - 2²² = 56652850963 is a prime.

It is not a weakly prime, because it can be changed into another prime (56657045227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328522633 + 28328522634.

It is an arithmetic number, because the mean of its divisors is an integer number (28328522634).

Almost surely, 2^56657045267 is an apocalyptic number.

56657045267 is a deficient number, since it is larger than the sum of its proper divisors (1).

56657045267 is an equidigital number, since it uses as much as digits as its factorization.

56657045267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 56657045267 in words is "fifty-six billion, six hundred fifty-seven million, forty-five thousand, two hundred sixty-seven".