55522712672 has 96 divisors (see below), whose sum is σ = 128468628288. Its totient is φ = 23122354176.

The previous prime is 55522712669. The next prime is 55522712737. The reversal of 55522712672 is 27621722555.

It is a happy number.

55522712672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7098908 + ... + 7106724.

It is an arithmetic number, because the mean of its divisors is an integer number (1338214878).

Almost surely, 2^55522712672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55522712672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64234314144).

55522712672 is an abundant number, since it is smaller than the sum of its proper divisors (72945915616).

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

55522712672 is a wasteful number, since it uses less digits than its factorization.

55522712672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8720 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The spelling of 55522712672 in words is "fifty-five billion, five hundred twenty-two million, seven hundred twelve thousand, six hundred seventy-two".