556429888 has 42 divisors (see below), whose sum is σ = 1284444726. Its totient is φ = 238468608.

The previous prime is 556429883. The next prime is 556429903. The reversal of 556429888 is 888924655.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 305270784 + 251159104 = 17472^2 + 15848^2 .

It is a super-2 number, since 2×556429888² = 619228440519385088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (556429883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85581 + ... + 91852.

Almost surely, 2^556429888 is an apocalyptic number.

It is an amenable number.

556429888 is an abundant number, since it is smaller than the sum of its proper divisors (728014838).

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

556429888 is a wasteful number, since it uses less digits than its factorization.

556429888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177459 (or 177442 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The square root of 556429888 is about 23588.7661398387. The cubic root of 556429888 is about 822.5017232497.

The spelling of 556429888 in words is "five hundred fifty-six million, four hundred twenty-nine thousand, eight hundred eighty-eight".