55500501055 has 4 divisors (see below), whose sum is σ = 66600601272. Its totient is φ = 44400400840.

The previous prime is 55500501047. The next prime is 55500501073. The reversal of 55500501055 is 55010500555.

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

It is not a de Polignac number, because 55500501055 - 2³ = 55500501047 is a prime.

It is a super-2 number, since 2×55500501055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 5550050101 + ... + 5550050110.

It is an arithmetic number, because the mean of its divisors is an integer number (16650150318).

Almost surely, 2^55500501055 is an apocalyptic number.

55500501055 is a deficient number, since it is larger than the sum of its proper divisors (11100100217).

55500501055 is a wasteful number, since it uses less digits than its factorization.

55500501055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100100216.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55500501055 in words is "fifty-five billion, five hundred million, five hundred one thousand, fifty-five".