55041129840 has 320 divisors, whose sum is σ = 184331452032. Its totient is φ = 13536460800.

The previous prime is 55041129833. The next prime is 55041129841. The reversal of 55041129840 is 4892114055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55041129841) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 53908530 + ... + 53909550.

Almost surely, 2^55041129840 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 55041129840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92165726016).

55041129840 is an abundant number, since it is smaller than the sum of its proper divisors (129290322192).

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

55041129840 is a wasteful number, since it uses less digits than its factorization.

55041129840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 55041129840 in words is "fifty-five billion, forty-one million, one hundred twenty-nine thousand, eight hundred forty".