57799139 has 4 divisors (see below), whose sum is σ = 57835440. Its totient is φ = 57762840.

The previous prime is 57799129. The next prime is 57799141. The reversal of 57799139 is 93199775.

It is a happy number.

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 57799139 - 2⁸ = 57798883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57799109) 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, 15647 + ... + 18984.

It is an arithmetic number, because the mean of its divisors is an integer number (14458860).

Almost surely, 2^57799139 is an apocalyptic number.

57799139 is a deficient number, since it is larger than the sum of its proper divisors (36301).

57799139 is a wasteful number, since it uses less digits than its factorization.

57799139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36300.

The product of its digits is 535815, while the sum is 50.

The square root of 57799139 is about 7602.5744981552. The cubic root of 57799139 is about 386.6403034774.

The spelling of 57799139 in words is "fifty-seven million, seven hundred ninety-nine thousand, one hundred thirty-nine".