57404037 has 4 divisors (see below), whose sum is σ = 76538720. Its totient is φ = 38269356.

The previous prime is 57404029. The next prime is 57404041. The reversal of 57404037 is 73040475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57404037 - 2³ = 57404029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57403995 and 57404013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57400037) 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, 9567337 + ... + 9567342.

It is an arithmetic number, because the mean of its divisors is an integer number (19134680).

Almost surely, 2^57404037 is an apocalyptic number.

It is an amenable number.

57404037 is a deficient number, since it is larger than the sum of its proper divisors (19134683).

57404037 is a wasteful number, since it uses less digits than its factorization.

57404037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19134682.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57404037 is about 7576.5451889367. The cubic root of 57404037 is about 385.7572928138.

The spelling of 57404037 in words is "fifty-seven million, four hundred four thousand, thirty-seven".