52814321550 has 144 divisors (see below), whose sum is σ = 150492876768. Its totient is φ = 13250476800.

The previous prime is 52814321531. The next prime is 52814321551. The reversal of 52814321550 is 5512341825.

52814321550 is a `hidden beast` number, since 5 + 2 + 81 + 4 + 3 + 21 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52814321551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 589524 + ... + 673176.

It is an arithmetic number, because the mean of its divisors is an integer number (1045089422).

Almost surely, 2^52814321550 is an apocalyptic number.

52814321550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52814321550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75246438384).

52814321550 is an abundant number, since it is smaller than the sum of its proper divisors (97678555218).

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

52814321550 is a wasteful number, since it uses less digits than its factorization.

52814321550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83755 (or 83747 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 52814321550 in words is "fifty-two billion, eight hundred fourteen million, three hundred twenty-one thousand, five hundred fifty".