55224719988 has 24 divisors (see below), whose sum is σ = 129841330080. Its totient is φ = 18267718560.

The previous prime is 55224719911. The next prime is 55224719999. The reversal of 55224719988 is 88991742255.

It is a congruent number.

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, 17563543 + ... + 17566686.

It is an arithmetic number, because the mean of its divisors is an integer number (5410055420).

Almost surely, 2^55224719988 is an apocalyptic number.

It is an amenable number.

55224719988 is an abundant number, since it is smaller than the sum of its proper divisors (74616610092).

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

55224719988 is a wasteful number, since it uses less digits than its factorization.

55224719988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35130367 (or 35130365 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The spelling of 55224719988 in words is "fifty-five billion, two hundred twenty-four million, seven hundred nineteen thousand, nine hundred eighty-eight".