55840181760 has 400 divisors, whose sum is σ = 218192789232. Its totient is φ = 13536460800.

The previous prime is 55840181753. The next prime is 55840181767. The reversal of 55840181760 is 6718104855.

55840181760 is a `hidden beast` number, since 5 + 584 + 0 + 1 + 8 + 1 + 7 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (55840181753) and next prime (55840181767).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55840181767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2268720 + ... + 2293200.

Almost surely, 2^55840181760 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 55840181760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109096394616).

55840181760 is an abundant number, since it is smaller than the sum of its proper divisors (162352607472).

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

55840181760 is a wasteful number, since it uses less digits than its factorization.

55840181760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24527 (or 24502 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 55840181760 in words is "fifty-five billion, eight hundred forty million, one hundred eighty-one thousand, seven hundred sixty".