57375139 has 2 divisors, whose sum is σ = 57375140. Its totient is φ = 57375138.

The previous prime is 57375127. The next prime is 57375167. The reversal of 57375139 is 93157375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57375139 - 2¹¹ = 57373091 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28687569 + 28687570.

It is an arithmetic number, because the mean of its divisors is an integer number (28687570).

Almost surely, 2^57375139 is an apocalyptic number.

57375139 is a deficient number, since it is larger than the sum of its proper divisors (1).

57375139 is an equidigital number, since it uses as much as digits as its factorization.

57375139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99225, while the sum is 40.

The square root of 57375139 is about 7574.6378791332. The cubic root of 57375139 is about 385.6925500653.

The spelling of 57375139 in words is "fifty-seven million, three hundred seventy-five thousand, one hundred thirty-nine".