57331342 has 4 divisors (see below), whose sum is σ = 85997016. Its totient is φ = 28665670.

The previous prime is 57331333. The next prime is 57331367. The reversal of 57331342 is 24313375.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57331342.

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, 14332834 + ... + 14332837.

It is an arithmetic number, because the mean of its divisors is an integer number (21499254).

Almost surely, 2^57331342 is an apocalyptic number.

57331342 is a deficient number, since it is larger than the sum of its proper divisors (28665674).

57331342 is a wasteful number, since it uses less digits than its factorization.

57331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665673.

The product of its digits is 7560, while the sum is 28.

The square root of 57331342 is about 7571.7462979157. The cubic root of 57331342 is about 385.5943863140.

The spelling of 57331342 in words is "fifty-seven million, three hundred thirty-one thousand, three hundred forty-two".