55798709922 has 90 divisors (see below), whose sum is σ = 127384286337. Its totient is φ = 18255820176.

The previous prime is 55798709921. The next prime is 55798709977. The reversal of 55798709922 is 22990789755.

55798709922 is a `hidden beast` number, since 557 + 9 + 8 + 70 + 9 + 9 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48974132601 + 6824577321 = 221301^2 + 82611^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167031.

It is a super-3 number, since 3×55798709922³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 55798709922.

It is not an unprimeable number, because it can be changed into a prime (55798709921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 201439248 + ... + 201439524.

Almost surely, 2^55798709922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55798709922

55798709922 is an abundant number, since it is smaller than the sum of its proper divisors (71585576415).

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

55798709922 is an frugal number, since it uses more digits than its factorization.

55798709922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 55798709922 in words is "fifty-five billion, seven hundred ninety-eight million, seven hundred nine thousand, nine hundred twenty-two".