55610061099 has 16 divisors (see below), whose sum is σ = 78123696000. Its totient is φ = 35088624576.

The previous prime is 55610061041. The next prime is 55610061179. The reversal of 55610061099 is 99016001655.

It is not a de Polignac number, because 55610061099 - 2¹¹ = 55610059051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55610061099.

It is not an unprimeable number, because it can be changed into a prime (55610041099) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 405229 + ... + 524814.

It is an arithmetic number, because the mean of its divisors is an integer number (4882731000).

Almost surely, 2^55610061099 is an apocalyptic number.

55610061099 is a deficient number, since it is larger than the sum of its proper divisors (22513634901).

55610061099 is a wasteful number, since it uses less digits than its factorization.

55610061099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931114.

The product of its (nonzero) digits is 72900, while the sum is 42.

The spelling of 55610061099 in words is "fifty-five billion, six hundred ten million, sixty-one thousand, ninety-nine".