55051022021244 has 12 divisors (see below), whose sum is σ = 128452384716264. Its totient is φ = 18350340673744.

The previous prime is 55051022021239. The next prime is 55051022021287. The reversal of 55051022021244 is 44212022015055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293792584207 + ... + 2293792584230.

It is an arithmetic number, because the mean of its divisors is an integer number (10704365393022).

Almost surely, 2^{55051022021244} is an apocalyptic number.

It is an amenable number.

55051022021244 is an abundant number, since it is smaller than the sum of its proper divisors (73401362695020).

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

55051022021244 is a wasteful number, since it uses less digits than its factorization.

55051022021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587585168444 (or 4587585168442 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 55051022021244 its reverse (44212022015055), we get a palindrome (99263044036299).

The spelling of 55051022021244 in words is "fifty-five trillion, fifty-one billion, twenty-two million, twenty-one thousand, two hundred forty-four".