57076139 has 2 divisors, whose sum is σ = 57076140. Its totient is φ = 57076138.

The previous prime is 57076099. The next prime is 57076153. The reversal of 57076139 is 93167075.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57076139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57076169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28538069 + 28538070.

It is an arithmetic number, because the mean of its divisors is an integer number (28538070).

Almost surely, 2^57076139 is an apocalyptic number.

57076139 is a deficient number, since it is larger than the sum of its proper divisors (1).

57076139 is an equidigital number, since it uses as much as digits as its factorization.

57076139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 57076139 is about 7554.8751809676. The cubic root of 57076139 is about 385.0213942123.

The spelling of 57076139 in words is "fifty-seven million, seventy-six thousand, one hundred thirty-nine".