556872030 has 128 divisors (see below), whose sum is σ = 1744727040. Its totient is φ = 124606080.

The previous prime is 556872011. The next prime is 556872047. The reversal of 556872030 is 30278655.

556872030 is a `hidden beast` number, since 556 + 8 + 72 + 0 + 30 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31399 + ... + 45821.

It is an arithmetic number, because the mean of its divisors is an integer number (13630680).

Almost surely, 2^556872030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556872030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872363520).

556872030 is an abundant number, since it is smaller than the sum of its proper divisors (1187855010).

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

556872030 is a wasteful number, since it uses less digits than its factorization.

556872030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463 (or 14457 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 556872030 is about 23598.1361552136. The cubic root of 556872030 is about 822.7195202472.

The spelling of 556872030 in words is "five hundred fifty-six million, eight hundred seventy-two thousand, thirty".