55104371868 has 192 divisors, whose sum is σ = 162597335040. Its totient is φ = 14221569024.

The previous prime is 55104371827. The next prime is 55104371891. The reversal of 55104371868 is 86817340155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8670580 + ... + 8676932.

It is an arithmetic number, because the mean of its divisors is an integer number (846861120).

Almost surely, 2^55104371868 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 55104371868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81298667520).

55104371868 is an abundant number, since it is smaller than the sum of its proper divisors (107492963172).

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

55104371868 is a wasteful number, since it uses less digits than its factorization.

55104371868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 55104371868 in words is "fifty-five billion, one hundred four million, three hundred seventy-one thousand, eight hundred sixty-eight".