557881441 has 16 divisors (see below), whose sum is σ = 616936320. Its totient is φ = 501217920.

The previous prime is 557881433. The next prime is 557881481. The reversal of 557881441 is 144188755.

It is a cyclic number.

It is not a de Polignac number, because 557881441 - 2³ = 557881433 is a prime.

It is a super-2 number, since 2×557881441² = 622463404424472962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (557881421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172245 + ... + 175453.

It is an arithmetic number, because the mean of its divisors is an integer number (38558520).

Almost surely, 2^557881441 is an apocalyptic number.

It is an amenable number.

557881441 is a deficient number, since it is larger than the sum of its proper divisors (59054879).

557881441 is a wasteful number, since it uses less digits than its factorization.

557881441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 179200, while the sum is 43.

The square root of 557881441 is about 23619.5139873792. The cubic root of 557881441 is about 823.2163195213.

The spelling of 557881441 in words is "five hundred fifty-seven million, eight hundred eighty-one thousand, four hundred forty-one".