55260485128 has 24 divisors (see below), whose sum is σ = 105399387630. Its totient is φ = 27161919680.

The previous prime is 55260485117. The next prime is 55260485129. The reversal of 55260485128 is 82158406255.

It can be written as a sum of positive squares in only one way, i.e., 53545034404 + 1715450724 = 231398^2 + 41418^2 .

It is not an unprimeable number, because it can be changed into a prime (55260485129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 964333 + ... + 1020028.

Almost surely, 2^55260485128 is an apocalyptic number.

It is an amenable number.

55260485128 is a deficient number, since it is larger than the sum of its proper divisors (50138902502).

55260485128 is a wasteful number, since it uses less digits than its factorization.

55260485128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984485 (or 1984422 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 55260485128 in words is "fifty-five billion, two hundred sixty million, four hundred eighty-five thousand, one hundred twenty-eight".