5566155564 has 24 divisors (see below), whose sum is σ = 13671259840. Its totient is φ = 1757733264.

The previous prime is 5566155541. The next prime is 5566155593. The reversal of 5566155564 is 4655516655.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 12206254 + ... + 12206709.

Almost surely, 2^5566155564 is an apocalyptic number.

It is an amenable number.

5566155564 is an abundant number, since it is smaller than the sum of its proper divisors (8105104276).

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

5566155564 is a wasteful number, since it uses less digits than its factorization.

5566155564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24412989 (or 24412987 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 48.

The square root of 5566155564 is about 74606.6723825691. The cubic root of 5566155564 is about 1772.2233186404.

The spelling of 5566155564 in words is "five billion, five hundred sixty-six million, one hundred fifty-five thousand, five hundred sixty-four".