55000050555555 has 64 divisors (see below), whose sum is σ = 113854552197120. Its totient is φ = 24668486264448.

The previous prime is 55000050555553. The next prime is 55000050555587. The reversal of 55000050555555 is 55555505000055.

55000050555555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55000050555555 - 2¹ = 55000050555553 is a prime.

It is a super-2 number, since 2×55000050555555² (a number of 28 digits) contains 22 as substring.

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 55000050555555.

It is not an unprimeable number, because it can be changed into a prime (55000050555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 549017007 + ... + 549117176.

It is an arithmetic number, because the mean of its divisors is an integer number (1778977378080).

Almost surely, 2^{55000050555555} is an apocalyptic number.

55000050555555 is an abundant number, since it is smaller than the sum of its proper divisors (58854501641565).

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

55000050555555 is a wasteful number, since it uses less digits than its factorization.

55000050555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098134257 (or 1098134251 counting only the distinct ones).

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

The spelling of 55000050555555 in words is "fifty-five trillion, fifty million, five hundred fifty-five thousand, five hundred fifty-five".