52411321644 has 96 divisors (see below), whose sum is σ = 136470921216. Its totient is φ = 15521647680.

The previous prime is 52411321607. The next prime is 52411321661. The reversal of 52411321644 is 44612311425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1099857 + ... + 1146519.

It is an arithmetic number, because the mean of its divisors is an integer number (1421572096).

Almost surely, 2^52411321644 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 52411321644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68235460608).

52411321644 is an abundant number, since it is smaller than the sum of its proper divisors (84059599572).

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

52411321644 is a wasteful number, since it uses less digits than its factorization.

52411321644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46875 (or 46873 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The spelling of 52411321644 in words is "fifty-two billion, four hundred eleven million, three hundred twenty-one thousand, six hundred forty-four".