52221151452 has 12 divisors (see below), whose sum is σ = 121849353416. Its totient is φ = 17407050480.

The previous prime is 52221151421. The next prime is 52221151519. The reversal of 52221151452 is 25415112225.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175881299 + ... + 2175881322.

Almost surely, 2^52221151452 is an apocalyptic number.

It is an amenable number.

52221151452 is an abundant number, since it is smaller than the sum of its proper divisors (69628201964).

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

52221151452 is a wasteful number, since it uses less digits than its factorization.

52221151452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351762628 (or 4351762626 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

Adding to 52221151452 its reverse (25415112225), we get a palindrome (77636263677).

The spelling of 52221151452 in words is "fifty-two billion, two hundred twenty-one million, one hundred fifty-one thousand, four hundred fifty-two".