52552302921 has 12 divisors (see below), whose sum is σ = 75959881140. Its totient is φ = 35011330560.

The previous prime is 52552302919. The next prime is 52552303003. The reversal of 52552302921 is 12920325525.

52552302921 is a `hidden beast` number, since 52 + 552 + 30 + 2 + 9 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5298238521 + 47254064400 = 72789^2 + 217380^2 .

It is not a de Polignac number, because 52552302921 - 2¹ = 52552302919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52552302911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1947360 + ... + 1974161.

It is an arithmetic number, because the mean of its divisors is an integer number (6329990095).

Almost surely, 2^52552302921 is an apocalyptic number.

It is an amenable number.

52552302921 is a deficient number, since it is larger than the sum of its proper divisors (23407578219).

52552302921 is a wasteful number, since it uses less digits than its factorization.

52552302921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923016 (or 3923013 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 52552302921 in words is "fifty-two billion, five hundred fifty-two million, three hundred two thousand, nine hundred twenty-one".