57168431 has 2 divisors, whose sum is σ = 57168432. Its totient is φ = 57168430.

The previous prime is 57168427. The next prime is 57168451. The reversal of 57168431 is 13486175.

57168431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57168431 - 2² = 57168427 is a prime.

It is a super-2 number, since 2×57168431² = 6536459006003522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 57168391 and 57168400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57168421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28584215 + 28584216.

It is an arithmetic number, because the mean of its divisors is an integer number (28584216).

Almost surely, 2^57168431 is an apocalyptic number.

57168431 is a deficient number, since it is larger than the sum of its proper divisors (1).

57168431 is an equidigital number, since it uses as much as digits as its factorization.

57168431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 57168431 is about 7560.9808226182. The cubic root of 57168431 is about 385.2288087250.

The spelling of 57168431 in words is "fifty-seven million, one hundred sixty-eight thousand, four hundred thirty-one".