55000505505 has 32 divisors (see below), whose sum is σ = 99097694208. Its totient is φ = 25806686400.

The previous prime is 55000505503. The next prime is 55000505509. The reversal of 55000505505 is 50550500055.

It is not a de Polignac number, because 55000505505 - 2¹ = 55000505503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55000505503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5371279 + ... + 5381508.

It is an arithmetic number, because the mean of its divisors is an integer number (3096802944).

Almost surely, 2^55000505505 is an apocalyptic number.

55000505505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55000505505 is a deficient number, since it is larger than the sum of its proper divisors (44097188703).

55000505505 is a wasteful number, since it uses less digits than its factorization.

55000505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752837.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55000505505 in words is "fifty-five billion, five hundred five thousand, five hundred five".