52003225530 has 80 divisors (see below), whose sum is σ = 147190459680. Its totient is φ = 13137653088.

The previous prime is 52003225499. The next prime is 52003225537. The reversal of 52003225530 is 3552230025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52003225494 and 52003225503.

It is not an unprimeable number, because it can be changed into a prime (52003225537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1674124 + ... + 1704903.

It is an arithmetic number, because the mean of its divisors is an integer number (1839880746).

Almost surely, 2^52003225530 is an apocalyptic number.

52003225530 is an abundant number, since it is smaller than the sum of its proper divisors (95187234150).

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

52003225530 is a wasteful number, since it uses less digits than its factorization.

52003225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379065 (or 3379056 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 52003225530 its reverse (3552230025), we get a palindrome (55555455555).

The spelling of 52003225530 in words is "fifty-two billion, three million, two hundred twenty-five thousand, five hundred thirty".