52445444551 has 8 divisors (see below), whose sum is σ = 52622578800. Its totient is φ = 52268579328.

The previous prime is 52445444477. The next prime is 52445444561. The reversal of 52445444551 is 15544454425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52445444551 - 2¹⁵ = 52445411783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52445444498 and 52445444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445444561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327180 + ... + 460366.

It is an arithmetic number, because the mean of its divisors is an integer number (6577822350).

Almost surely, 2^52445444551 is an apocalyptic number.

52445444551 is a deficient number, since it is larger than the sum of its proper divisors (177134249).

52445444551 is a wasteful number, since it uses less digits than its factorization.

52445444551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134513.

The product of its digits is 1280000, while the sum is 43.

Adding to 52445444551 its reverse (15544454425), we get a palindrome (67989898976).

The spelling of 52445444551 in words is "fifty-two billion, four hundred forty-five million, four hundred forty-four thousand, five hundred fifty-one".