57573394 has 4 divisors (see below), whose sum is σ = 86360094. Its totient is φ = 28786696.

The previous prime is 57573379. The next prime is 57573413. The reversal of 57573394 is 49337575.

It is a happy number.

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., 52027369 + 5546025 = 7213^2 + 2355^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57573394.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14393347 + ... + 14393350.

Almost surely, 2^57573394 is an apocalyptic number.

57573394 is a deficient number, since it is larger than the sum of its proper divisors (28786700).

57573394 is a wasteful number, since it uses less digits than its factorization.

57573394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28786699.

The product of its digits is 396900, while the sum is 43.

The square root of 57573394 is about 7587.7133577910. The cubic root of 57573394 is about 386.1362821600.

The spelling of 57573394 in words is "fifty-seven million, five hundred seventy-three thousand, three hundred ninety-four".