55000500550551 has 6 divisors (see below), whose sum is σ = 79445167461920. Its totient is φ = 36667000367028.

The previous prime is 55000500550531. The next prime is 55000500550603. The reversal of 55000500550551 is 15505500500055.

It is a happy number.

55000500550551 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 0 + 50 + 0 + 5 + 50 + 551 = 666.

55000500550551 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 55000500550551 - 2¹³ = 55000500542359 is a prime.

It is a super-2 number, since 2×55000500550551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000500550531) 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 5 ways as a sum of consecutive naturals, for example, 3055583363911 + ... + 3055583363928.

Almost surely, 2^{55000500550551} is an apocalyptic number.

55000500550551 is a deficient number, since it is larger than the sum of its proper divisors (24444666911369).

55000500550551 is a wasteful number, since it uses less digits than its factorization.

55000500550551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111166727845 (or 6111166727842 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 55000500550551 in words is "fifty-five trillion, five hundred million, five hundred fifty thousand, five hundred fifty-one".