557236745 has 16 divisors (see below), whose sum is σ = 722744400. Its totient is φ = 409999104.

The previous prime is 557236739. The next prime is 557236759. The reversal of 557236745 is 547632755.

It can be written as a sum of positive squares in 8 ways, for example, as 13227769 + 544008976 = 3637^2 + 23324^2 .

It is a cyclic number.

It is not a de Polignac number, because 557236745 - 2⁶ = 557236681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557236696 and 557236705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531 + ... + 33479.

It is an arithmetic number, because the mean of its divisors is an integer number (45171525).

Almost surely, 2^557236745 is an apocalyptic number.

It is an amenable number.

557236745 is a deficient number, since it is larger than the sum of its proper divisors (165507655).

557236745 is a wasteful number, since it uses less digits than its factorization.

557236745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31244.

The product of its digits is 882000, while the sum is 44.

The square root of 557236745 is about 23605.8625133673. The cubic root of 557236745 is about 822.8990903287.

The spelling of 557236745 in words is "five hundred fifty-seven million, two hundred thirty-six thousand, seven hundred forty-five".