555424656 has 20 divisors (see below), whose sum is σ = 1434847152. Its totient is φ = 185141536.

The previous prime is 555424633. The next prime is 555424657. The reversal of 555424656 is 656424555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (555424657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5785626 + ... + 5785721.

Almost surely, 2^555424656 is an apocalyptic number.

It is an amenable number.

555424656 is an abundant number, since it is smaller than the sum of its proper divisors (879422496).

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

555424656 is a wasteful number, since it uses less digits than its factorization.

555424656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571358 (or 11571352 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The square root of 555424656 is about 23567.4490770639. The cubic root of 555424656 is about 822.0061211590.

The spelling of 555424656 in words is "five hundred fifty-five million, four hundred twenty-four thousand, six hundred fifty-six".