557122133 has 4 divisors (see below), whose sum is σ = 557192268. Its totient is φ = 557052000.

The previous prime is 557122129. The next prime is 557122151. The reversal of 557122133 is 331221755.

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 407353489 + 149768644 = 20183^2 + 12238^2 .

It is a cyclic number.

It is not a de Polignac number, because 557122133 - 2² = 557122129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 557122096 and 557122105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557121133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21368 + ... + 39633.

It is an arithmetic number, because the mean of its divisors is an integer number (139298067).

Almost surely, 2^557122133 is an apocalyptic number.

It is an amenable number.

557122133 is a deficient number, since it is larger than the sum of its proper divisors (70135).

557122133 is an equidigital number, since it uses as much as digits as its factorization.

557122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70134.

The product of its digits is 6300, while the sum is 29.

The square root of 557122133 is about 23603.4347712362. The cubic root of 557122133 is about 822.8426687220.

Adding to 557122133 its reverse (331221755), we get a palindrome (888343888).

The spelling of 557122133 in words is "five hundred fifty-seven million, one hundred twenty-two thousand, one hundred thirty-three".