52440454253 has 8 divisors (see below), whose sum is σ = 57265160160. Its totient is φ = 47625313680.

The previous prime is 52440454247. The next prime is 52440454289. The reversal of 52440454253 is 35245404425.

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 52440454253 - 2¹² = 52440450157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440454853) 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 7 ways as a sum of consecutive naturals, for example, 2379863 + ... + 2401796.

It is an arithmetic number, because the mean of its divisors is an integer number (7158145020).

Almost surely, 2^52440454253 is an apocalyptic number.

It is an amenable number.

52440454253 is a deficient number, since it is larger than the sum of its proper divisors (4824705907).

52440454253 is a wasteful number, since it uses less digits than its factorization.

52440454253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782667.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 52440454253 its reverse (35245404425), we get a palindrome (87685858678).

The spelling of 52440454253 in words is "fifty-two billion, four hundred forty million, four hundred fifty-four thousand, two hundred fifty-three".