57760139 has 4 divisors (see below), whose sum is σ = 58491360. Its totient is φ = 57028920.

The previous prime is 57760117. The next prime is 57760147. The reversal of 57760139 is 93106775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57760139 - 2¹² = 57756043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57760939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365492 + ... + 365649.

It is an arithmetic number, because the mean of its divisors is an integer number (14622840).

Almost surely, 2^57760139 is an apocalyptic number.

57760139 is a deficient number, since it is larger than the sum of its proper divisors (731221).

57760139 is an equidigital number, since it uses as much as digits as its factorization.

57760139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731220.

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

The square root of 57760139 is about 7600.0091447313. The cubic root of 57760139 is about 386.5533219936.

The spelling of 57760139 in words is "fifty-seven million, seven hundred sixty thousand, one hundred thirty-nine".