557204045 has 4 divisors (see below), whose sum is σ = 668644860. Its totient is φ = 445763232.

The previous prime is 557204041. The next prime is 557204047. The reversal of 557204045 is 540402755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221801449 + 335402596 = 14893^2 + 18314^2 .

It is a cyclic number.

It is not a de Polignac number, because 557204045 - 2² = 557204041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557204041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55720400 + ... + 55720409.

It is an arithmetic number, because the mean of its divisors is an integer number (167161215).

Almost surely, 2^557204045 is an apocalyptic number.

It is an amenable number.

557204045 is a deficient number, since it is larger than the sum of its proper divisors (111440815).

557204045 is a wasteful number, since it uses less digits than its factorization.

557204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111440814.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 557204045 is about 23605.1698786516. The cubic root of 557204045 is about 822.8829934442.

The spelling of 557204045 in words is "five hundred fifty-seven million, two hundred four thousand, forty-five".