54989822220 has 24 divisors (see below), whose sum is σ = 153971502384. Its totient is φ = 14663952576.

The previous prime is 54989822203. The next prime is 54989822231. The reversal of 54989822220 is 2222898945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458248459 + ... + 458248578.

It is an arithmetic number, because the mean of its divisors is an integer number (6415479266).

Almost surely, 2^54989822220 is an apocalyptic number.

It is an amenable number.

54989822220 is an abundant number, since it is smaller than the sum of its proper divisors (98981680164).

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

54989822220 is a wasteful number, since it uses less digits than its factorization.

54989822220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916497049 (or 916497047 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 54989822220 in words is "fifty-four billion, nine hundred eighty-nine million, eight hundred twenty-two thousand, two hundred twenty".