55560889168 has 20 divisors (see below), whose sum is σ = 107658773460. Its totient is φ = 27777979904.

The previous prime is 55560889147. The next prime is 55560889169. The reversal of 55560889168 is 86198806555.

It can be written as a sum of positive squares in 2 ways, for example, as 11455849024 + 44105040144 = 107032^2 + 210012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560889169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39288 + ... + 335656.

It is an arithmetic number, because the mean of its divisors is an integer number (5382938673).

Almost surely, 2^55560889168 is an apocalyptic number.

It is an amenable number.

55560889168 is a deficient number, since it is larger than the sum of its proper divisors (52097884292).

55560889168 is a wasteful number, since it uses less digits than its factorization.

55560889168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308094 (or 308088 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 61.

The spelling of 55560889168 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, one hundred sixty-eight".