5556399812 has 12 divisors (see below), whose sum is σ = 9888508560. Its totient is φ = 2731111656.

The previous prime is 5556399791. The next prime is 5556399817. The reversal of 5556399812 is 2189936555.

It is not an unprimeable number, because it can be changed into a prime (5556399817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11771798 + ... + 11772269.

It is an arithmetic number, because the mean of its divisors is an integer number (824042380).

Almost surely, 2^5556399812 is an apocalyptic number.

It is an amenable number.

5556399812 is a deficient number, since it is larger than the sum of its proper divisors (4332108748).

5556399812 is a wasteful number, since it uses less digits than its factorization.

5556399812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23544130 (or 23544128 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 53.

The square root of 5556399812 is about 74541.2624792470. The cubic root of 5556399812 is about 1771.1873263947.

The spelling of 5556399812 in words is "five billion, five hundred fifty-six million, three hundred ninety-nine thousand, eight hundred twelve".