57404299 has 4 divisors (see below), whose sum is σ = 57465864. Its totient is φ = 57342736.

The previous prime is 57404287. The next prime is 57404317. The reversal of 57404299 is 99240475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57404299 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57404209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29362 + ... + 31255.

It is an arithmetic number, because the mean of its divisors is an integer number (14366466).

Almost surely, 2^57404299 is an apocalyptic number.

57404299 is a deficient number, since it is larger than the sum of its proper divisors (61565).

57404299 is an equidigital number, since it uses as much as digits as its factorization.

57404299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61564.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 57404299 is about 7576.5624791194. The cubic root of 57404299 is about 385.7578796962.

The spelling of 57404299 in words is "fifty-seven million, four hundred four thousand, two hundred ninety-nine".