55369831841280 has 1600 divisors, whose sum is σ = 229530329690112. Its totient is φ = 12608160399360.

The previous prime is 55369831841251. The next prime is 55369831841329. The reversal of 55369831841280 is 8214813896355.

55369831841280 is a `hidden beast` number, since 5 + 5 + 3 + 69 + 83 + 1 + 8 + 412 + 80 = 666.

It is a super-2 number, since 2×55369831841280² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25088277937 + ... + 25088280143.

Almost surely, 2^{55369831841280} 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 55369831841280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114765164845056).

55369831841280 is an abundant number, since it is smaller than the sum of its proper divisors (174160497848832).

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

55369831841280 is a wasteful number, since it uses less digits than its factorization.

55369831841280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 55369831841280 in words is "fifty-five trillion, three hundred sixty-nine billion, eight hundred thirty-one million, eight hundred forty-one thousand, two hundred eighty".