55022271744 has 72 divisors (see below), whose sum is σ = 159752188512. Its totient is φ = 16673413120.

The previous prime is 55022271713. The next prime is 55022271781. The reversal of 55022271744 is 44717222055.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3248079 + ... + 3264974.

It is an arithmetic number, because the mean of its divisors is an integer number (2218780396).

Almost surely, 2^55022271744 is an apocalyptic number.

It is an amenable number.

55022271744 is an abundant number, since it is smaller than the sum of its proper divisors (104729916768).

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

55022271744 is a wasteful number, since it uses less digits than its factorization.

55022271744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513083 (or 6513069 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

Adding to 55022271744 its reverse (44717222055), we get a palindrome (99739493799).

The spelling of 55022271744 in words is "fifty-five billion, twenty-two million, two hundred seventy-one thousand, seven hundred forty-four".