55041382880 has 384 divisors, whose sum is σ = 155196518400. Its totient is φ = 18243993600.

The previous prime is 55041382813. The next prime is 55041382897. The reversal of 55041382880 is 8828314055.

It is a Cunningham number, because it is equal to 234609²-1.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 63 ways as a sum of consecutive naturals, for example, 68035916 + ... + 68036724.

It is an arithmetic number, because the mean of its divisors is an integer number (404157600).

Almost surely, 2^55041382880 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 55041382880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77598259200).

55041382880 is an abundant number, since it is smaller than the sum of its proper divisors (100155135520).

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

55041382880 is a wasteful number, since it uses less digits than its factorization.

55041382880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 55041382880 in words is "fifty-five billion, forty-one million, three hundred eighty-two thousand, eight hundred eighty".