55188718852 has 24 divisors (see below), whose sum is σ = 99709908480. Its totient is φ = 26707983840.

The previous prime is 55188718841. The next prime is 55188718883. The reversal of 55188718852 is 25881788155.

It is a happy 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, 947902 + ... + 1004437.

It is an arithmetic number, because the mean of its divisors is an integer number (4154579520).

Almost surely, 2^55188718852 is an apocalyptic number.

It is an amenable number.

55188718852 is a deficient number, since it is larger than the sum of its proper divisors (44521189628).

55188718852 is a wasteful number, since it uses less digits than its factorization.

55188718852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952571 (or 1952569 counting only the distinct ones).

The product of its digits is 7168000, while the sum is 58.

The spelling of 55188718852 in words is "fifty-five billion, one hundred eighty-eight million, seven hundred eighteen thousand, eight hundred fifty-two".