5556051656 has 16 divisors (see below), whose sum is σ = 11030396940. Its totient is φ = 2614612480.

The previous prime is 5556051643. The next prime is 5556051661. The reversal of 5556051656 is 6561506555.

It can be written as a sum of positive squares in 2 ways, for example, as 4660246756 + 895804900 = 68266^2 + 29930^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20426525 + ... + 20426796.

Almost surely, 2^5556051656 is an apocalyptic number.

It is an amenable number.

5556051656 is a deficient number, since it is larger than the sum of its proper divisors (5474345284).

5556051656 is a wasteful number, since it uses less digits than its factorization.

5556051656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40853344 (or 40853340 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 5556051656 is about 74538.9271186539. The cubic root of 5556051656 is about 1771.1503322741.

The spelling of 5556051656 in words is "five billion, five hundred fifty-six million, fifty-one thousand, six hundred fifty-six".