556551060 has 96 divisors (see below), whose sum is σ = 1732426752. Its totient is φ = 132572160.

The previous prime is 556551043. The next prime is 556551067. The reversal of 556551060 is 60155655.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556551067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12672 + ... + 35688.

It is an arithmetic number, because the mean of its divisors is an integer number (18046112).

Almost surely, 2^556551060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556551060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866213376).

556551060 is an abundant number, since it is smaller than the sum of its proper divisors (1175875692).

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

556551060 is a wasteful number, since it uses less digits than its factorization.

556551060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073 (or 23071 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 556551060 is about 23591.3344260133. The cubic root of 556551060 is about 822.5614234607.

The spelling of 556551060 in words is "five hundred fifty-six million, five hundred fifty-one thousand, sixty".