557438976 has 192 divisors, whose sum is σ = 1751349600. Its totient is φ = 174587904.

The previous prime is 557438969. The next prime is 557438977. The reversal of 557438976 is 679834755.

557438976 is a `hidden beast` number, since 557 + 4 + 3 + 89 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557438977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939736 + ... + 940328.

Almost surely, 2^557438976 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 557438976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875674800).

557438976 is an abundant number, since it is smaller than the sum of its proper divisors (1193910624).

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

557438976 is a wasteful number, since it uses less digits than its factorization.

557438976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 615 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 557438976 is about 23610.1456158152. The cubic root of 557438976 is about 822.9986264653.

The spelling of 557438976 in words is "five hundred fifty-seven million, four hundred thirty-eight thousand, nine hundred seventy-six".