557044101 has 8 divisors (see below), whose sum is σ = 825250560. Its totient is φ = 371362716.

The previous prime is 557044091. The next prime is 557044123. The reversal of 557044101 is 101440755.

It is a happy number.

557044101 is a `hidden beast` number, since 557 + 0 + 4 + 4 + 101 = 666.

It is not a de Polignac number, because 557044101 - 2⁵ = 557044069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20631263 = 557044101 / (5 + 5 + 7 + 0 + 4 + 4 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557040101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10315605 + ... + 10315658.

It is an arithmetic number, because the mean of its divisors is an integer number (103156320).

Almost surely, 2^557044101 is an apocalyptic number.

It is an amenable number.

557044101 is a deficient number, since it is larger than the sum of its proper divisors (268206459).

557044101 is a wasteful number, since it uses less digits than its factorization.

557044101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20631272 (or 20631266 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 557044101 is about 23601.7817335895. The cubic root of 557044101 is about 822.8042504212.

Adding to 557044101 its reverse (101440755), we get a palindrome (658484856).

The spelling of 557044101 in words is "five hundred fifty-seven million, forty-four thousand, one hundred one".