52236071147621 has 4 divisors (see below), whose sum is σ = 52349381497644. Its totient is φ = 52122760797600.

The previous prime is 52236071147599. The next prime is 52236071147629. The reversal of 52236071147621 is 12674117063225.

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 20632616474596 + 31603454673025 = 4542314^2 + 5621695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52236071147621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52236071147629) 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, 56655174320 + ... + 56655175241.

It is an arithmetic number, because the mean of its divisors is an integer number (13087345374411).

Almost surely, 2^{52236071147621} is an apocalyptic number.

It is an amenable number.

52236071147621 is a deficient number, since it is larger than the sum of its proper divisors (113310350023).

52236071147621 is a wasteful number, since it uses less digits than its factorization.

52236071147621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113310350022.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 52236071147621 in words is "fifty-two trillion, two hundred thirty-six billion, seventy-one million, one hundred forty-seven thousand, six hundred twenty-one".