55359704928 has 96 divisors (see below), whose sum is σ = 159327302400. Its totient is φ = 16691304960.

The previous prime is 55359704903. The next prime is 55359704963. The reversal of 55359704928 is 82940795355.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78426 + ... + 341862.

It is an arithmetic number, because the mean of its divisors is an integer number (1659659400).

Almost surely, 2^55359704928 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 55359704928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79663651200).

55359704928 is an abundant number, since it is smaller than the sum of its proper divisors (103967597472).

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

55359704928 is a wasteful number, since it uses less digits than its factorization.

55359704928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263660 (or 263652 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 55359704928 in words is "fifty-five billion, three hundred fifty-nine million, seven hundred four thousand, nine hundred twenty-eight".