57342278 has 16 divisors (see below), whose sum is σ = 99078144. Its totient is φ = 24381000.

The previous prime is 57342253. The next prime is 57342301. The reversal of 57342278 is 87224375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14348 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (6192384).

Almost surely, 2^57342278 is an apocalyptic number.

57342278 is a deficient number, since it is larger than the sum of its proper divisors (41735866).

57342278 is a wasteful number, since it uses less digits than its factorization.

57342278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32387.

The product of its digits is 94080, while the sum is 38.

The square root of 57342278 is about 7572.4684218556. The cubic root of 57342278 is about 385.6189022359.

The spelling of 57342278 in words is "fifty-seven million, three hundred forty-two thousand, two hundred seventy-eight".