57945863 has 2 divisors, whose sum is σ = 57945864. Its totient is φ = 57945862.

The previous prime is 57945859. The next prime is 57945871. The reversal of 57945863 is 36854975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57945863 - 2² = 57945859 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57945803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972931 + 28972932.

It is an arithmetic number, because the mean of its divisors is an integer number (28972932).

Almost surely, 2^57945863 is an apocalyptic number.

57945863 is a deficient number, since it is larger than the sum of its proper divisors (1).

57945863 is an equidigital number, since it uses as much as digits as its factorization.

57945863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 57945863 is about 7612.2180079133. The cubic root of 57945863 is about 386.9671911417.

The spelling of 57945863 in words is "fifty-seven million, nine hundred forty-five thousand, eight hundred sixty-three".