55145236036 has 96 divisors (see below), whose sum is σ = 113085947520. Its totient is φ = 23265792000.

The previous prime is 55145235997. The next prime is 55145236067. The reversal of 55145236036 is 63063254155.

It is a self number, because there is not a number n which added to its sum of digits gives 55145236036.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8186926 + ... + 8193658.

It is an arithmetic number, because the mean of its divisors is an integer number (1177978620).

Almost surely, 2^55145236036 is an apocalyptic number.

It is an amenable number.

55145236036 is an abundant number, since it is smaller than the sum of its proper divisors (57940711484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55145236036 is a wasteful number, since it uses less digits than its factorization.

55145236036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6963 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 55145236036 in words is "fifty-five billion, one hundred forty-five million, two hundred thirty-six thousand, thirty-six".