57295139 has 8 divisors (see below), whose sum is σ = 65221632. Its totient is φ = 49821640.

The previous prime is 57295111. The next prime is 57295169. The reversal of 57295139 is 93159275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57295139 - 2¹² = 57291043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57295096 and 57295105.

It is not an unprimeable number, because it can be changed into a prime (57295169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112979 + ... + 113484.

It is an arithmetic number, because the mean of its divisors is an integer number (8152704).

Almost surely, 2^57295139 is an apocalyptic number.

57295139 is a deficient number, since it is larger than the sum of its proper divisors (7926493).

57295139 is a wasteful number, since it uses less digits than its factorization.

57295139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226497.

The product of its digits is 85050, while the sum is 41.

The square root of 57295139 is about 7569.3552565592. The cubic root of 57295139 is about 385.5132055120.

The spelling of 57295139 in words is "fifty-seven million, two hundred ninety-five thousand, one hundred thirty-nine".