55758028280 has 16 divisors (see below), whose sum is σ = 125455563720. Its totient is φ = 22303211296.

The previous prime is 55758028229. The next prime is 55758028301. The reversal of 55758028280 is 8282085755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696975314 + ... + 696975393.

Almost surely, 2^55758028280 is an apocalyptic number.

It is an amenable number.

55758028280 is an abundant number, since it is smaller than the sum of its proper divisors (69697535440).

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

55758028280 is a wasteful number, since it uses less digits than its factorization.

55758028280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393950718 (or 1393950714 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 55758028280 in words is "fifty-five billion, seven hundred fifty-eight million, twenty-eight thousand, two hundred eighty".