55552166056 has 8 divisors (see below), whose sum is σ = 104160311370. Its totient is φ = 27776083024.

The previous prime is 55552166053. The next prime is 55552166099. The reversal of 55552166056 is 65066125555.

55552166056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33251522500 + 22300643556 = 182350^2 + 149334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 junction number, because it is equal to n+sod(n) for n = 55552165997 and 55552166015.

It is not an unprimeable number, because it can be changed into a prime (55552166053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472010371 + ... + 3472010386.

Almost surely, 2^55552166056 is an apocalyptic number.

It is an amenable number.

55552166056 is a deficient number, since it is larger than the sum of its proper divisors (48608145314).

55552166056 is a wasteful number, since it uses less digits than its factorization.

55552166056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944020763 (or 6944020759 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 55552166056 in words is "fifty-five billion, five hundred fifty-two million, one hundred sixty-six thousand, fifty-six".