55818759360 has 448 divisors, whose sum is σ = 229609497600. Its totient is φ = 11156963328.

The previous prime is 55818759307. The next prime is 55818759383. The reversal of 55818759360 is 6395781855.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 55818759360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1643026 + ... + 1676654.

It is an arithmetic number, because the mean of its divisors is an integer number (512521200).

Almost surely, 2^55818759360 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 55818759360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114804748800).

55818759360 is an abundant number, since it is smaller than the sum of its proper divisors (173790738240).

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

55818759360 is a wasteful number, since it uses less digits than its factorization.

55818759360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33688 (or 33678 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 55818759360 in words is "fifty-five billion, eight hundred eighteen million, seven hundred fifty-nine thousand, three hundred sixty".