52431105450 has 96 divisors (see below), whose sum is σ = 134251407360. Its totient is φ = 13533004800.

The previous prime is 52431105439. The next prime is 52431105457. The reversal of 52431105450 is 5450113425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (52431105457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 747486 + ... + 814614.

It is an arithmetic number, because the mean of its divisors is an integer number (1398452160).

Almost surely, 2^52431105450 is an apocalyptic number.

52431105450 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 52431105450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67125703680).

52431105450 is an abundant number, since it is smaller than the sum of its proper divisors (81820301910).

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

52431105450 is a wasteful number, since it uses less digits than its factorization.

52431105450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67312 (or 67307 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 52431105450 its reverse (5450113425), we get a palindrome (57881218875).

The spelling of 52431105450 in words is "fifty-two billion, four hundred thirty-one million, one hundred five thousand, four hundred fifty".