57075137 has 8 divisors (see below), whose sum is σ = 69065856. Its totient is φ = 46043712.

The previous prime is 57075133. The next prime is 57075143. The reversal of 57075137 is 73157075.

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

It is a cyclic number.

It is not a de Polignac number, because 57075137 - 2² = 57075133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57075097 and 57075106.

It is not an unprimeable number, because it can be changed into a prime (57075133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239693 + ... + 239930.

It is an arithmetic number, because the mean of its divisors is an integer number (8633232).

Almost surely, 2^57075137 is an apocalyptic number.

It is an amenable number.

57075137 is a deficient number, since it is larger than the sum of its proper divisors (11990719).

57075137 is a wasteful number, since it uses less digits than its factorization.

57075137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479647.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 57075137 is about 7554.8088658814. The cubic root of 57075137 is about 385.0191411184.

The spelling of 57075137 in words is "fifty-seven million, seventy-five thousand, one hundred thirty-seven".