57292406 has 4 divisors (see below), whose sum is σ = 85938612. Its totient is φ = 28646202.

The previous prime is 57292393. The next prime is 57292421. The reversal of 57292406 is 60429275.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14323100 + ... + 14323103.

It is an arithmetic number, because the mean of its divisors is an integer number (21484653).

Almost surely, 2^57292406 is an apocalyptic number.

57292406 is a deficient number, since it is larger than the sum of its proper divisors (28646206).

57292406 is a wasteful number, since it uses less digits than its factorization.

57292406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28646205.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 57292406 is about 7569.1747238388. The cubic root of 57292406 is about 385.5070757055.

The spelling of 57292406 in words is "fifty-seven million, two hundred ninety-two thousand, four hundred six".