53115203320 has 16 divisors (see below), whose sum is σ = 119509207560. Its totient is φ = 21246081312.

The previous prime is 53115203303. The next prime is 53115203321. The reversal of 53115203320 is 2330251135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115203321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663940002 + ... + 663940081.

Almost surely, 2^53115203320 is an apocalyptic number.

It is an amenable number.

53115203320 is an abundant number, since it is smaller than the sum of its proper divisors (66394004240).

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

53115203320 is a wasteful number, since it uses less digits than its factorization.

53115203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327880094 (or 1327880090 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 53115203320 its reverse (2330251135), we get a palindrome (55445454455).

The spelling of 53115203320 in words is "fifty-three billion, one hundred fifteen million, two hundred three thousand, three hundred twenty".