57477967 has 2 divisors, whose sum is σ = 57477968. Its totient is φ = 57477966.

The previous prime is 57477947. The next prime is 57478007. The reversal of 57477967 is 76977475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57477967 - 2⁷ = 57477839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57477947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28738983 + 28738984.

It is an arithmetic number, because the mean of its divisors is an integer number (28738984).

Almost surely, 2^57477967 is an apocalyptic number.

57477967 is a deficient number, since it is larger than the sum of its proper divisors (1).

57477967 is an equidigital number, since it uses as much as digits as its factorization.

57477967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2593080, while the sum is 52.

The square root of 57477967 is about 7581.4224918547. The cubic root of 57477967 is about 385.9228259005.

The spelling of 57477967 in words is "fifty-seven million, four hundred seventy-seven thousand, nine hundred sixty-seven".