52221662448 has 40 divisors (see below), whose sum is σ = 136531344768. Its totient is φ = 17197493952.

The previous prime is 52221662443. The next prime is 52221662459. The reversal of 52221662448 is 84426612225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221662443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6549940 + ... + 6557907.

Almost surely, 2^52221662448 is an apocalyptic number.

It is an amenable number.

52221662448 is an abundant number, since it is smaller than the sum of its proper divisors (84309682320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52221662448 is a wasteful number, since it uses less digits than its factorization.

52221662448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107941 (or 13107935 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 52221662448 in words is "fifty-two billion, two hundred twenty-one million, six hundred sixty-two thousand, four hundred forty-eight".