56057148163 has 2 divisors, whose sum is σ = 56057148164. Its totient is φ = 56057148162.

The previous prime is 56057148127. The next prime is 56057148209. The reversal of 56057148163 is 36184175065.

It is a happy number.

It is an a-pointer prime, because the next prime (56057148209) can be obtained adding 56057148163 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56057148163 - 2⁹ = 56057147651 is a prime.

It is not a weakly prime, because it can be changed into another prime (56057148863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028574081 + 28028574082.

It is an arithmetic number, because the mean of its divisors is an integer number (28028574082).

Almost surely, 2^56057148163 is an apocalyptic number.

56057148163 is a deficient number, since it is larger than the sum of its proper divisors (1).

56057148163 is an equidigital number, since it uses as much as digits as its factorization.

56057148163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 56057148163 in words is "fifty-six billion, fifty-seven million, one hundred forty-eight thousand, one hundred sixty-three".