55050001240520 has 256 divisors, whose sum is σ = 147779513683200. Its totient is φ = 18191331164160.

The previous prime is 55050001240459. The next prime is 55050001240529. The reversal of 55050001240520 is 2504210005055.

It is not an unprimeable number, because it can be changed into a prime (55050001240529) 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, 634985336 + ... + 635072024.

It is an arithmetic number, because the mean of its divisors is an integer number (577263725325).

Almost surely, 2^{55050001240520} 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 55050001240520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73889756841600).

55050001240520 is an abundant number, since it is smaller than the sum of its proper divisors (92729512442680).

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

55050001240520 is a wasteful number, since it uses less digits than its factorization.

55050001240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88448 (or 88444 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 55050001240520 its reverse (2504210005055), we get a palindrome (57554211245575).

The spelling of 55050001240520 in words is "fifty-five trillion, fifty billion, one million, two hundred forty thousand, five hundred twenty".