57902794 has 4 divisors (see below), whose sum is σ = 86854194. Its totient is φ = 28951396.

The previous prime is 57902791. The next prime is 57902827. The reversal of 57902794 is 49720975.

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., 54243225 + 3659569 = 7365^2 + 1913^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57902794.

It is not an unprimeable number, because it can be changed into a prime (57902791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14475697 + ... + 14475700.

Almost surely, 2^57902794 is an apocalyptic number.

57902794 is a deficient number, since it is larger than the sum of its proper divisors (28951400).

57902794 is a wasteful number, since it uses less digits than its factorization.

57902794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28951399.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 57902794 is about 7609.3885431091. The cubic root of 57902794 is about 386.8712946161.

It can be divided in two parts, 579027 and 94, that added together give a square (579121 = 761²).

The spelling of 57902794 in words is "fifty-seven million, nine hundred two thousand, seven hundred ninety-four".