557643376 has 40 divisors (see below), whose sum is σ = 1119535488. Its totient is φ = 268800000.

The previous prime is 557643353. The next prime is 557643379. The reversal of 557643376 is 673346755.

557643376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×557643376² = 621932269593354752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557643379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137376 + ... + 141376.

Almost surely, 2^557643376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557643376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559767744).

557643376 is an abundant number, since it is smaller than the sum of its proper divisors (561892112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557643376 is a wasteful number, since it uses less digits than its factorization.

557643376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4315 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 46.

The square root of 557643376 is about 23614.4738666776. The cubic root of 557643376 is about 823.0992057034.

The spelling of 557643376 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred seventy-six".