55505050500555 has 24 divisors (see below), whose sum is σ = 98808990803952. Its totient is φ = 28802620799424.

The previous prime is 55505050500469. The next prime is 55505050500569. The reversal of 55505050500555 is 55500505050555.

It is not a de Polignac number, because 55505050500555 - 2¹⁶ = 55505050435019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55505050500555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16668181669 + ... + 16668184998.

It is an arithmetic number, because the mean of its divisors is an integer number (4117041283498).

Almost surely, 2^{55505050500555} is an apocalyptic number.

55505050500555 is a deficient number, since it is larger than the sum of its proper divisors (43303940303397).

55505050500555 is a wasteful number, since it uses less digits than its factorization.

55505050500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336366715 (or 33336366712 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 55505050500555 in words is "fifty-five trillion, five hundred five billion, fifty million, five hundred thousand, five hundred fifty-five".