55144444746 has 32 divisors (see below), whose sum is σ = 110661566400. Its totient is φ = 18319466880.

The previous prime is 55144444727. The next prime is 55144444793. The reversal of 55144444746 is 64744444155.

It is a junction number, because it is equal to n+sod(n) for n = 55144444695 and 55144444704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364390 + ... + 2387598.

It is an arithmetic number, because the mean of its divisors is an integer number (3458173950).

Almost surely, 2^55144444746 is an apocalyptic number.

55144444746 is an abundant number, since it is smaller than the sum of its proper divisors (55517121654).

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

55144444746 is a wasteful number, since it uses less digits than its factorization.

55144444746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24534.

The product of its digits is 4300800, while the sum is 48.

The spelling of 55144444746 in words is "fifty-five billion, one hundred forty-four million, four hundred forty-four thousand, seven hundred forty-six".