53031064920 has 256 divisors, whose sum is σ = 170764070400. Its totient is φ = 13135011840.

The previous prime is 53031064883. The next prime is 53031064927. The reversal of 53031064920 is 2946013035.

53031064920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53031064927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82474119 + ... + 82474761.

It is an arithmetic number, because the mean of its divisors is an integer number (667047150).

Almost surely, 2^53031064920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53031064920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85382035200).

53031064920 is an abundant number, since it is smaller than the sum of its proper divisors (117733005480).

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

53031064920 is a wasteful number, since it uses less digits than its factorization.

53031064920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 53031064920 its reverse (2946013035), we get a palindrome (55977077955).

The spelling of 53031064920 in words is "fifty-three billion, thirty-one million, sixty-four thousand, nine hundred twenty".