55028358580 has 48 divisors (see below), whose sum is σ = 127096623360. Its totient is φ = 19885857408.

The previous prime is 55028358577. The next prime is 55028358599. The reversal of 55028358580 is 8585382055.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239350 + ... + 2263789.

It is an arithmetic number, because the mean of its divisors is an integer number (2647846320).

Almost surely, 2^55028358580 is an apocalyptic number.

It is an amenable number.

55028358580 is an abundant number, since it is smaller than the sum of its proper divisors (72068264780).

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

55028358580 is a wasteful number, since it uses less digits than its factorization.

55028358580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503208 (or 4503206 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 49.

The spelling of 55028358580 in words is "fifty-five billion, twenty-eight million, three hundred fifty-eight thousand, five hundred eighty".