57404031 has 8 divisors (see below), whose sum is σ = 76857264. Its totient is φ = 38110080.

The previous prime is 57404029. The next prime is 57404041. The reversal of 57404031 is 13040475.

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

It is not a de Polignac number, because 57404031 - 2¹ = 57404029 is a prime.

It is a super-2 number, since 2×57404031² = 6590445550097922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57403992 and 57404010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57404041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38976 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (9607158).

Almost surely, 2^57404031 is an apocalyptic number.

57404031 is a deficient number, since it is larger than the sum of its proper divisors (19453233).

57404031 is a wasteful number, since it uses less digits than its factorization.

57404031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79641.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57404031 is about 7576.5447929779. The cubic root of 57404031 is about 385.7572793737.

The spelling of 57404031 in words is "fifty-seven million, four hundred four thousand, thirty-one".