57404194 has 8 divisors (see below), whose sum is σ = 87731100. Its totient is φ = 28160496.

The previous prime is 57404177. The next prime is 57404209. The reversal of 57404194 is 49140475.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 7912969 = 7035^2 + 2813^2 .

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

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, 270669 + ... + 270880.

Almost surely, 2^57404194 is an apocalyptic number.

57404194 is a deficient number, since it is larger than the sum of its proper divisors (30326906).

57404194 is a wasteful number, since it uses less digits than its factorization.

57404194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541604.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 57404194 is about 7576.5555498525. Note that the first 4 decimals coincide. The cubic root of 57404194 is about 385.7576444954.

The spelling of 57404194 in words is "fifty-seven million, four hundred four thousand, one hundred ninety-four".