557683488 has 48 divisors (see below), whose sum is σ = 1626579360. Its totient is φ = 185894208.

The previous prime is 557683481. The next prime is 557683501. The reversal of 557683488 is 884386755.

557683488 is a `hidden beast` number, since 557 + 6 + 8 + 3 + 4 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×557683488² = 622021745575692288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (557683481) 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, 321870 + ... + 323597.

It is an arithmetic number, because the mean of its divisors is an integer number (33887070).

Almost surely, 2^557683488 is an apocalyptic number.

It is an amenable number.

557683488 is an abundant number, since it is smaller than the sum of its proper divisors (1068895872).

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

557683488 is a wasteful number, since it uses less digits than its factorization.

557683488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645486 (or 645472 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 557683488 is about 23615.3231610325. The cubic root of 557683488 is about 823.1189407558.

The spelling of 557683488 in words is "five hundred fifty-seven million, six hundred eighty-three thousand, four hundred eighty-eight".