57042274 has 4 divisors (see below), whose sum is σ = 85563414. Its totient is φ = 28521136.

The previous prime is 57042269. The next prime is 57042299. The reversal of 57042274 is 47224075.

57042274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 17264025 = 6307^2 + 4155^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14260567 + ... + 14260570.

Almost surely, 2^57042274 is an apocalyptic number.

57042274 is a deficient number, since it is larger than the sum of its proper divisors (28521140).

57042274 is a wasteful number, since it uses less digits than its factorization.

57042274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521139.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 57042274 is about 7552.6335804142. The cubic root of 57042274 is about 384.9452308665.

The spelling of 57042274 in words is "fifty-seven million, forty-two thousand, two hundred seventy-four".