53131242252 has 48 divisors (see below), whose sum is σ = 135404640000. Its totient is φ = 16081152960.

The previous prime is 53131242251. The next prime is 53131242293. The reversal of 53131242252 is 25224213135.

It is not an unprimeable number, because it can be changed into a prime (53131242251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129127 + ... + 350622.

It is an arithmetic number, because the mean of its divisors is an integer number (2820930000).

Almost surely, 2^53131242252 is an apocalyptic number.

It is an amenable number.

53131242252 is an abundant number, since it is smaller than the sum of its proper divisors (82273397748).

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

53131242252 is a wasteful number, since it uses less digits than its factorization.

53131242252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480606 (or 480604 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

Adding to 53131242252 its reverse (25224213135), we get a palindrome (78355455387).

The spelling of 53131242252 in words is "fifty-three billion, one hundred thirty-one million, two hundred forty-two thousand, two hundred fifty-two".