57105031 has 8 divisors (see below), whose sum is σ = 59215680. Its totient is φ = 55003872.

The previous prime is 57105017. The next prime is 57105049. The reversal of 57105031 is 13050175.

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 57105031 - 2²⁵ = 23550599 is a prime.

It is a super-2 number, since 2×57105031² = 6521969131021922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57104993 and 57105011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57105001) 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, 11301 + ... + 15553.

It is an arithmetic number, because the mean of its divisors is an integer number (7401960).

Almost surely, 2^57105031 is an apocalyptic number.

57105031 is a deficient number, since it is larger than the sum of its proper divisors (2110649).

57105031 is a wasteful number, since it uses less digits than its factorization.

57105031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 57105031 is about 7556.7870818225. The cubic root of 57105031 is about 385.0863493280.

The spelling of 57105031 in words is "fifty-seven million, one hundred five thousand, thirty-one".