52450033553 has 4 divisors (see below), whose sum is σ = 52493132580. Its totient is φ = 52406934528.

The previous prime is 52450033541. The next prime is 52450033591. The reversal of 52450033553 is 35533005425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36575797504 + 15874236049 = 191248^2 + 125993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52450033553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52450033253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21547688 + ... + 21550121.

It is an arithmetic number, because the mean of its divisors is an integer number (13123283145).

Almost surely, 2^52450033553 is an apocalyptic number.

It is an amenable number.

52450033553 is a deficient number, since it is larger than the sum of its proper divisors (43099027).

52450033553 is a wasteful number, since it uses less digits than its factorization.

52450033553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43099026.

The product of its (nonzero) digits is 135000, while the sum is 35.

Adding to 52450033553 its reverse (35533005425), we get a palindrome (87983038978).

The spelling of 52450033553 in words is "fifty-two billion, four hundred fifty million, thirty-three thousand, five hundred fifty-three".