55000055004999 has 32 divisors (see below), whose sum is σ = 79075722700800. Its totient is φ = 33802789684608.

The previous prime is 55000055004997. The next prime is 55000055005003. The reversal of 55000055004999 is 99940055000055.

It is not a de Polignac number, because 55000055004999 - 2¹ = 55000055004997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000055004997) 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, 284069277 + ... + 284262825.

It is an arithmetic number, because the mean of its divisors is an integer number (2471116334400).

Almost surely, 2^{55000055004999} is an apocalyptic number.

55000055004999 is a deficient number, since it is larger than the sum of its proper divisors (24075667695801).

55000055004999 is a wasteful number, since it uses less digits than its factorization.

55000055004999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202871.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 55000055004999 in words is "fifty-five trillion, fifty-five million, four thousand, nine hundred ninety-nine".