57352991 has 2 divisors, whose sum is σ = 57352992. Its totient is φ = 57352990.

The previous prime is 57352957. The next prime is 57353003. The reversal of 57352991 is 19925375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57352991 - 2¹⁰ = 57351967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57352921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28676495 + 28676496.

It is an arithmetic number, because the mean of its divisors is an integer number (28676496).

Almost surely, 2^57352991 is an apocalyptic number.

57352991 is a deficient number, since it is larger than the sum of its proper divisors (1).

57352991 is an equidigital number, since it uses as much as digits as its factorization.

57352991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 41.

The square root of 57352991 is about 7573.1757539357. The cubic root of 57352991 is about 385.6429152225.

The spelling of 57352991 in words is "fifty-seven million, three hundred fifty-two thousand, nine hundred ninety-one".