52021330551 has 6 divisors (see below), whose sum is σ = 75141921920. Its totient is φ = 34680887028.

The previous prime is 52021330457. The next prime is 52021330583. The reversal of 52021330551 is 15503312025.

It is a happy number.

52021330551 is a `hidden beast` number, since 520 + 2 + 133 + 0 + 5 + 5 + 1 = 666.

52021330551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52021330551 - 2¹⁰ = 52021329527 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 (52021330351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2890073911 + ... + 2890073928.

Almost surely, 2^52021330551 is an apocalyptic number.

52021330551 is a deficient number, since it is larger than the sum of its proper divisors (23120591369).

52021330551 is a wasteful number, since it uses less digits than its factorization.

52021330551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780147845 (or 5780147842 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 52021330551 its reverse (15503312025), we get a palindrome (67524642576).

The spelling of 52021330551 in words is "fifty-two billion, twenty-one million, three hundred thirty thousand, five hundred fifty-one".