52303640621633 has 4 divisors (see below), whose sum is σ = 55380325364100. Its totient is φ = 49226955879168.

The previous prime is 52303640621629. The next prime is 52303640621657. The reversal of 52303640621633 is 33612604630325.

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 43992603166864 + 8311037454769 = 6632692^2 + 2882887^2 .

It is a cyclic number.

It is not a de Polignac number, because 52303640621633 - 2² = 52303640621629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52303640621663) 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, 1538342371208 + ... + 1538342371241.

It is an arithmetic number, because the mean of its divisors is an integer number (13845081341025).

Almost surely, 2^{52303640621633} is an apocalyptic number.

It is an amenable number.

52303640621633 is a deficient number, since it is larger than the sum of its proper divisors (3076684742467).

52303640621633 is a wasteful number, since it uses less digits than its factorization.

52303640621633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076684742466.

The product of its (nonzero) digits is 1399680, while the sum is 44.

The spelling of 52303640621633 in words is "fifty-two trillion, three hundred three billion, six hundred forty million, six hundred twenty-one thousand, six hundred thirty-three".