55091247336 has 288 divisors, whose sum is σ = 169786773000. Its totient is φ = 16679706624.

The previous prime is 55091247317. The next prime is 55091247359. The reversal of 55091247336 is 63374219055.

55091247336 is a `hidden beast` number, since 550 + 9 + 1 + 24 + 73 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48184640100 + 6906607236 = 219510^2 + 83106^2 .

It is a super-3 number, since 3×55091247336³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55091247291 and 55091247300.

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 71 ways as a sum of consecutive naturals, for example, 25875520 + ... + 25877648.

Almost surely, 2^55091247336 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 55091247336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84893386500).

55091247336 is an abundant number, since it is smaller than the sum of its proper divisors (114695525664).

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

55091247336 is a wasteful number, since it uses less digits than its factorization.

55091247336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 55091247336 in words is "fifty-five billion, ninety-one million, two hundred forty-seven thousand, three hundred thirty-six".