57809342 has 24 divisors (see below), whose sum is σ = 90556704. Its totient is φ = 27664032.

The previous prime is 57809309. The next prime is 57809351. The reversal of 57809342 is 24390875.

It is a junction number, because it is equal to n+sod(n) for n = 57809296 and 57809305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421898 + ... + 422034.

It is an arithmetic number, because the mean of its divisors is an integer number (3773196).

Almost surely, 2^57809342 is an apocalyptic number.

57809342 is a deficient number, since it is larger than the sum of its proper divisors (32747362).

57809342 is a wasteful number, since it uses less digits than its factorization.

57809342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57809342 is about 7603.2454912360. The cubic root of 57809342 is about 386.6630527143.

The spelling of 57809342 in words is "fifty-seven million, eight hundred nine thousand, three hundred forty-two".