557723631 has 8 divisors (see below), whose sum is σ = 760925440. Its totient is φ = 363168792.

The previous prime is 557723627. The next prime is 557723651. The reversal of 557723631 is 136327755.

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

It is not a de Polignac number, because 557723631 - 2² = 557723627 is a prime.

It is a super-2 number, since 2×557723631² = 622111297151648322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557723631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557723651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161591 + ... + 2161848.

It is an arithmetic number, because the mean of its divisors is an integer number (95115680).

Almost surely, 2^557723631 is an apocalyptic number.

557723631 is a deficient number, since it is larger than the sum of its proper divisors (203201809).

557723631 is a wasteful number, since it uses less digits than its factorization.

557723631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323485.

The product of its digits is 132300, while the sum is 39.

The square root of 557723631 is about 23616.1730811747. The cubic root of 557723631 is about 823.1386901128.

The spelling of 557723631 in words is "five hundred fifty-seven million, seven hundred twenty-three thousand, six hundred thirty-one".