52021330552 has 16 divisors (see below), whose sum is σ = 98308028160. Its totient is φ = 25805856384.

The previous prime is 52021330457. The next prime is 52021330583. The reversal of 52021330552 is 25503312025.

It is a self number, because there is not a number n which added to its sum of digits gives 52021330552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25600033 + ... + 25602064.

It is an arithmetic number, because the mean of its divisors is an integer number (6144251760).

Almost surely, 2^52021330552 is an apocalyptic number.

It is an amenable number.

52021330552 is a deficient number, since it is larger than the sum of its proper divisors (46286697608).

52021330552 is a wasteful number, since it uses less digits than its factorization.

52021330552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51202230 (or 51202226 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 52021330552 its reverse (25503312025), we get a palindrome (77524642577).

The spelling of 52021330552 in words is "fifty-two billion, twenty-one million, three hundred thirty thousand, five hundred fifty-two".