53503221152 has 24 divisors (see below), whose sum is σ = 110878387200. Its totient is φ = 25343630784.

The previous prime is 53503221139. The next prime is 53503221181. The reversal of 53503221152 is 25112230535.

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, 43998752 + ... + 43999967.

It is an arithmetic number, because the mean of its divisors is an integer number (4619932800).

Almost surely, 2^53503221152 is an apocalyptic number.

It is an amenable number.

53503221152 is an abundant number, since it is smaller than the sum of its proper divisors (57375166048).

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

53503221152 is a wasteful number, since it uses less digits than its factorization.

53503221152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87998748 (or 87998740 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 53503221152 its reverse (25112230535), we get a palindrome (78615451687).

The spelling of 53503221152 in words is "fifty-three billion, five hundred three million, two hundred twenty-one thousand, one hundred fifty-two".