57640294 has 8 divisors (see below), whose sum is σ = 86842008. Its totient is φ = 28692960.

The previous prime is 57640249. The next prime is 57640307. The reversal of 57640294 is 49204675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63027 + ... + 63934.

It is an arithmetic number, because the mean of its divisors is an integer number (10855251).

Almost surely, 2^57640294 is an apocalyptic number.

57640294 is a deficient number, since it is larger than the sum of its proper divisors (29201714).

57640294 is a wasteful number, since it uses less digits than its factorization.

57640294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127190.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 57640294 is about 7592.1205206451. The cubic root of 57640294 is about 386.2857870857.

The spelling of 57640294 in words is "fifty-seven million, six hundred forty thousand, two hundred ninety-four".