556171332 has 24 divisors (see below), whose sum is σ = 1299018336. Its totient is φ = 185206848.

The previous prime is 556171277. The next prime is 556171379. The reversal of 556171332 is 233171655.

It is a junction number, because it is equal to n+sod(n) for n = 556171293 and 556171302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038 + ... + 34829.

It is an arithmetic number, because the mean of its divisors is an integer number (54125764).

Almost surely, 2^556171332 is an apocalyptic number.

It is an amenable number.

556171332 is an abundant number, since it is smaller than the sum of its proper divisors (742847004).

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

556171332 is a wasteful number, since it uses less digits than its factorization.

556171332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45907 (or 45905 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 556171332 is about 23583.2850129069. The cubic root of 556171332 is about 822.3743063562.

The spelling of 556171332 in words is "five hundred fifty-six million, one hundred seventy-one thousand, three hundred thirty-two".