57253894 has 4 divisors (see below), whose sum is σ = 85880844. Its totient is φ = 28626946.

The previous prime is 57253891. The next prime is 57253901. The reversal of 57253894 is 49835275.

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 57253894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57253891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313472 + ... + 14313475.

It is an arithmetic number, because the mean of its divisors is an integer number (21470211).

Almost surely, 2^57253894 is an apocalyptic number.

57253894 is a deficient number, since it is larger than the sum of its proper divisors (28626950).

57253894 is a wasteful number, since it uses less digits than its factorization.

57253894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28626949.

The product of its digits is 302400, while the sum is 43.

The square root of 57253894 is about 7566.6302935983. The cubic root of 57253894 is about 385.4206769579.

The spelling of 57253894 in words is "fifty-seven million, two hundred fifty-three thousand, eight hundred ninety-four".