557655423 has 24 divisors (see below), whose sum is σ = 818261808. Its totient is φ = 335819136.

The previous prime is 557655419. The next prime is 557655451. The reversal of 557655423 is 324556755.

It is not a de Polignac number, because 557655423 - 2² = 557655419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557655463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82915 + ... + 89387.

It is an arithmetic number, because the mean of its divisors is an integer number (34094242).

Almost surely, 2^557655423 is an apocalyptic number.

557655423 is a deficient number, since it is larger than the sum of its proper divisors (260606385).

557655423 is a wasteful number, since it uses less digits than its factorization.

557655423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583 (or 6536 counting only the distinct ones).

The product of its digits is 630000, while the sum is 42.

The square root of 557655423 is about 23614.7289419125. The cubic root of 557655423 is about 823.1051329114.

The spelling of 557655423 in words is "five hundred fifty-seven million, six hundred fifty-five thousand, four hundred twenty-three".