55280280275 has 12 divisors (see below), whose sum is σ = 74779143144. Its totient is φ = 40203840000.

The previous prime is 55280280271. The next prime is 55280280313. The reversal of 55280280275 is 57208208255.

It is not a de Polignac number, because 55280280275 - 2² = 55280280271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55280280271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100509326 + ... + 100509875.

It is an arithmetic number, because the mean of its divisors is an integer number (6231595262).

Almost surely, 2^55280280275 is an apocalyptic number.

55280280275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55280280275 is a deficient number, since it is larger than the sum of its proper divisors (19498862869).

55280280275 is a wasteful number, since it uses less digits than its factorization.

55280280275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201019222 (or 201019217 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 55280280275 in words is "fifty-five billion, two hundred eighty million, two hundred eighty thousand, two hundred seventy-five".