556154120 has 16 divisors (see below), whose sum is σ = 1251346860. Its totient is φ = 222461632.

The previous prime is 556154113. The next prime is 556154153. The reversal of 556154120 is 21451655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 553284484 + 2869636 = 23522^2 + 1694^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951887 + ... + 6951966.

Almost surely, 2^556154120 is an apocalyptic number.

It is an amenable number.

556154120 is an abundant number, since it is smaller than the sum of its proper divisors (695192740).

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

556154120 is a wasteful number, since it uses less digits than its factorization.

556154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903864 (or 13903860 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 556154120 is about 23582.9200906079. The cubic root of 556154120 is about 822.3658228478.

The spelling of 556154120 in words is "five hundred fifty-six million, one hundred fifty-four thousand, one hundred twenty".