5556421756 has 24 divisors (see below), whose sum is σ = 9879435216. Its totient is φ = 2733815040.

The previous prime is 5556421747. The next prime is 5556421771. The reversal of 5556421756 is 6571246555.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251226 + ... + 272446.

It is an arithmetic number, because the mean of its divisors is an integer number (411643134).

Almost surely, 2^5556421756 is an apocalyptic number.

It is an amenable number.

5556421756 is a deficient number, since it is larger than the sum of its proper divisors (4323013460).

5556421756 is a wasteful number, since it uses less digits than its factorization.

5556421756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269 (or 22267 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 46.

The square root of 5556421756 is about 74541.4096727450. The cubic root of 5556421756 is about 1771.1896580534.

The spelling of 5556421756 in words is "five billion, five hundred fifty-six million, four hundred twenty-one thousand, seven hundred fifty-six".