556651480 has 64 divisors (see below), whose sum is σ = 1561524480. Its totient is φ = 173500800.

The previous prime is 556651471. The next prime is 556651481. The reversal of 556651480 is 84156655.

556651480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556651481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87286 + ... + 93445.

It is an arithmetic number, because the mean of its divisors is an integer number (24398820).

Almost surely, 2^556651480 is an apocalyptic number.

It is an amenable number.

556651480 is an abundant number, since it is smaller than the sum of its proper divisors (1004873000).

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

556651480 is a wasteful number, since it uses less digits than its factorization.

556651480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180760 (or 180756 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 556651480 is about 23593.4626538794. The cubic root of 556651480 is about 822.6108928066.

The spelling of 556651480 in words is "five hundred fifty-six million, six hundred fifty-one thousand, four hundred eighty".