557337631 has 8 divisors (see below), whose sum is σ = 579037680. Its totient is φ = 535803072.

The previous prime is 557337619. The next prime is 557337643. The reversal of 557337631 is 136733755.

It is an interprime number because it is at equal distance from previous prime (557337619) and next prime (557337643).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557337631 - 2⁹ = 557337119 is a prime.

It is a super-2 number, since 2×557337631² = 621250469857384322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557337731) 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, 34485 + ... + 47998.

It is an arithmetic number, because the mean of its divisors is an integer number (72379710).

Almost surely, 2^557337631 is an apocalyptic number.

557337631 is a deficient number, since it is larger than the sum of its proper divisors (21700049).

557337631 is a wasteful number, since it uses less digits than its factorization.

557337631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82745.

The product of its digits is 198450, while the sum is 40.

The square root of 557337631 is about 23607.9993010844. Note that the first 3 decimals coincide. The cubic root of 557337631 is about 822.9487484491.

The spelling of 557337631 in words is "five hundred fifty-seven million, three hundred thirty-seven thousand, six hundred thirty-one".