556550632 has 24 divisors (see below), whose sum is σ = 1147025250. Its totient is φ = 252977120.

The previous prime is 556550609. The next prime is 556550639. The reversal of 556550632 is 236055655.

It can be written as a sum of positive squares in only one way, i.e., 520478596 + 36072036 = 22814^2 + 6006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 556550591 and 556550600.

It is not an unprimeable number, because it can be changed into a prime (556550639) 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, 286507 + ... + 288442.

Almost surely, 2^556550632 is an apocalyptic number.

It is an amenable number.

556550632 is an abundant number, since it is smaller than the sum of its proper divisors (590474618).

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

556550632 is a wasteful number, since it uses less digits than its factorization.

556550632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574977 (or 574962 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 556550632 is about 23591.3253548842. The cubic root of 556550632 is about 822.5612126048.

The spelling of 556550632 in words is "five hundred fifty-six million, five hundred fifty thousand, six hundred thirty-two".