55005510099 has 16 divisors (see below), whose sum is σ = 73739943200. Its totient is φ = 36470808576.

The previous prime is 55005510067. The next prime is 55005510101. The reversal of 55005510099 is 99001550055.

It is a happy number.

It is not a de Polignac number, because 55005510099 - 2⁵ = 55005510067 is a prime.

It is a super-2 number, since 2×55005510099² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55005510299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728047 + ... + 2748135.

It is an arithmetic number, because the mean of its divisors is an integer number (4608746450).

Almost surely, 2^55005510099 is an apocalyptic number.

55005510099 is a deficient number, since it is larger than the sum of its proper divisors (18734433101).

55005510099 is a wasteful number, since it uses less digits than its factorization.

55005510099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014.

The product of its (nonzero) digits is 50625, while the sum is 39.

The spelling of 55005510099 in words is "fifty-five billion, five million, five hundred ten thousand, ninety-nine".