57972911 has 2 divisors, whose sum is σ = 57972912. Its totient is φ = 57972910.

The previous prime is 57972851. The next prime is 57972917. The reversal of 57972911 is 11927975.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57972911 - 2⁶ = 57972847 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 (57972917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28986455 + 28986456.

It is an arithmetic number, because the mean of its divisors is an integer number (28986456).

Almost surely, 2^57972911 is an apocalyptic number.

57972911 is a deficient number, since it is larger than the sum of its proper divisors (1).

57972911 is an equidigital number, since it uses as much as digits as its factorization.

57972911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 41.

The square root of 57972911 is about 7613.9944181750. The cubic root of 57972911 is about 387.0273913580.

The spelling of 57972911 in words is "fifty-seven million, nine hundred seventy-two thousand, nine hundred eleven".