556232400100 has 36 divisors (see below), whose sum is σ = 1299872334964. Its totient is φ = 205378116480.

The previous prime is 556232400083. The next prime is 556232400121. The reversal of 556232400100 is 1004232655.

It can be written as a sum of positive squares in 6 ways, for example, as 86544225856 + 469688174244 = 294184^2 + 685338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213934239 + ... + 213936838.

Almost surely, 2^556232400100 is an apocalyptic number.

556232400100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556232400100 is an abundant number, since it is smaller than the sum of its proper divisors (743639934864).

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

556232400100 is a wasteful number, since it uses less digits than its factorization.

556232400100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427871104 (or 427871097 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 556232400100 its reverse (1004232655), we get a palindrome (557236632755).

The spelling of 556232400100 in words is "five hundred fifty-six billion, two hundred thirty-two million, four hundred thousand, one hundred".