557622131 has 4 divisors (see below), whose sum is σ = 608315064. Its totient is φ = 506929200.

The previous prime is 557622103. The next prime is 557622139. The reversal of 557622131 is 131226755.

557622131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 557622131 - 2²² = 553427827 is a prime.

It is a super-2 number, since 2×557622131² = 621884881961962322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557622139) 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, 25346450 + ... + 25346471.

It is an arithmetic number, because the mean of its divisors is an integer number (152078766).

Almost surely, 2^557622131 is an apocalyptic number.

557622131 is a deficient number, since it is larger than the sum of its proper divisors (50692933).

557622131 is a wasteful number, since it uses less digits than its factorization.

557622131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50692932.

The product of its digits is 12600, while the sum is 32.

The square root of 557622131 is about 23614.0240323415. The cubic root of 557622131 is about 823.0887528074.

Adding to 557622131 its reverse (131226755), we get a palindrome (688848886).

The spelling of 557622131 in words is "five hundred fifty-seven million, six hundred twenty-two thousand, one hundred thirty-one".