57964891 has 2 divisors, whose sum is σ = 57964892. Its totient is φ = 57964890.

The previous prime is 57964889. The next prime is 57964957. The reversal of 57964891 is 19846975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57964891 - 2¹ = 57964889 is a prime.

Together with 57964889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57964811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28982445 + 28982446.

It is an arithmetic number, because the mean of its divisors is an integer number (28982446).

Almost surely, 2^57964891 is an apocalyptic number.

57964891 is a deficient number, since it is larger than the sum of its proper divisors (1).

57964891 is an equidigital number, since it uses as much as digits as its factorization.

57964891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 57964891 is about 7613.4677381598. The cubic root of 57964891 is about 387.0095433507.

The spelling of 57964891 in words is "fifty-seven million, nine hundred sixty-four thousand, eight hundred ninety-one".