55599022085 has 16 divisors (see below), whose sum is σ = 67268759040. Its totient is φ = 44113740480.

The previous prime is 55599022081. The next prime is 55599022097. The reversal of 55599022085 is 58022099555.

It is not a de Polignac number, because 55599022085 - 2² = 55599022081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55599022081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319175 + ... + 461595.

It is an arithmetic number, because the mean of its divisors is an integer number (4204297440).

Almost surely, 2^55599022085 is an apocalyptic number.

It is an amenable number.

55599022085 is a deficient number, since it is larger than the sum of its proper divisors (11669736955).

55599022085 is a wasteful number, since it uses less digits than its factorization.

55599022085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143068.

The product of its (nonzero) digits is 1620000, while the sum is 50.

The spelling of 55599022085 in words is "fifty-five billion, five hundred ninety-nine million, twenty-two thousand, eighty-five".