556942488 has 32 divisors (see below), whose sum is σ = 1393504560. Its totient is φ = 185494400.

The previous prime is 556942487. The next prime is 556942499. The reversal of 556942488 is 884249655.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 556942488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556942487) 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, 22306 + ... + 40142.

Almost surely, 2^556942488 is an apocalyptic number.

It is an amenable number.

556942488 is an abundant number, since it is smaller than the sum of its proper divisors (836562072).

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

556942488 is a wasteful number, since it uses less digits than its factorization.

556942488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147 (or 19143 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The square root of 556942488 is about 23599.6289801344. The cubic root of 556942488 is about 822.7542168647.

The spelling of 556942488 in words is "five hundred fifty-six million, nine hundred forty-two thousand, four hundred eighty-eight".