55310822784 has 320 divisors, whose sum is σ = 198024921600. Its totient is φ = 14970977280.

The previous prime is 55310822773. The next prime is 55310822789. The reversal of 55310822784 is 48722801355.

55310822784 is a `hidden beast` number, since 553 + 1 + 0 + 8 + 22 + 78 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55310822789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1358889 + ... + 1398999.

It is an arithmetic number, because the mean of its divisors is an integer number (618827880).

Almost surely, 2^55310822784 is an apocalyptic number.

55310822784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55310822784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99012460800).

55310822784 is an abundant number, since it is smaller than the sum of its proper divisors (142714098816).

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

55310822784 is a wasteful number, since it uses less digits than its factorization.

55310822784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40163 (or 40142 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 55310822784 in words is "fifty-five billion, three hundred ten million, eight hundred twenty-two thousand, seven hundred eighty-four".