55280500555 has 8 divisors (see below), whose sum is σ = 75813257952. Its totient is φ = 37906628928.

The previous prime is 55280500549. The next prime is 55280500573. The reversal of 55280500555 is 55500508255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55280500555 - 2³ = 55280500547 is a prime.

It is a super-2 number, since 2×55280500555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789721402 + ... + 789721471.

It is an arithmetic number, because the mean of its divisors is an integer number (9476657244).

Almost surely, 2^55280500555 is an apocalyptic number.

55280500555 is a deficient number, since it is larger than the sum of its proper divisors (20532757397).

55280500555 is a wasteful number, since it uses less digits than its factorization.

55280500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579442885.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 55280500555 in words is "fifty-five billion, two hundred eighty million, five hundred thousand, five hundred fifty-five".