57294031 has 4 divisors (see below), whose sum is σ = 57314232. Its totient is φ = 57273832.

The previous prime is 57294023. The next prime is 57294037. The reversal of 57294031 is 13049275.

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 57294031 - 2³ = 57294023 is a prime.

It is a super-2 number, since 2×57294031² = 6565211976457922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57293984 and 57294002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57294037) 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, 4981 + ... + 11806.

It is an arithmetic number, because the mean of its divisors is an integer number (14328558).

Almost surely, 2^57294031 is an apocalyptic number.

57294031 is a deficient number, since it is larger than the sum of its proper divisors (20201).

57294031 is a wasteful number, since it uses less digits than its factorization.

57294031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57294031 is about 7569.2820663521. The cubic root of 57294031 is about 385.5107204182.

The spelling of 57294031 in words is "fifty-seven million, two hundred ninety-four thousand, thirty-one".