55500050555 has 4 divisors (see below), whose sum is σ = 66600060672. Its totient is φ = 44400040440.

The previous prime is 55500050549. The next prime is 55500050561. The reversal of 55500050555 is 55505000555.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55500050549) and next prime (55500050561).

It is not a de Polignac number, because 55500050555 - 2²⁰ = 55499001979 is a prime.

It is a super-2 number, since 2×55500050555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550005051 + ... + 5550005060.

It is an arithmetic number, because the mean of its divisors is an integer number (16650015168).

Almost surely, 2^55500050555 is an apocalyptic number.

55500050555 is a deficient number, since it is larger than the sum of its proper divisors (11100010117).

55500050555 is a wasteful number, since it uses less digits than its factorization.

55500050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100010116.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55500050555 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred fifty-five".