55501100555 has 4 divisors (see below), whose sum is σ = 66601320672. Its totient is φ = 44400880440.

The previous prime is 55501100549. The next prime is 55501100569. The reversal of 55501100555 is 55500110555.

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

It is not a de Polignac number, because 55501100555 - 2⁸ = 55501100299 is a prime.

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, 5550110051 + ... + 5550110060.

It is an arithmetic number, because the mean of its divisors is an integer number (16650330168).

Almost surely, 2^55501100555 is an apocalyptic number.

55501100555 is a deficient number, since it is larger than the sum of its proper divisors (11100220117).

55501100555 is a wasteful number, since it uses less digits than its factorization.

55501100555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100220116.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55501100555 in words is "fifty-five billion, five hundred one million, one hundred thousand, five hundred fifty-five".