53113533564 has 192 divisors, whose sum is σ = 160958085120. Its totient is φ = 13247815680.

The previous prime is 53113533563. The next prime is 53113533593. The reversal of 53113533564 is 46533531135.

53113533564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113533563) 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, 2223444 + ... + 2247204.

It is an arithmetic number, because the mean of its divisors is an integer number (838323360).

Almost surely, 2^53113533564 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 53113533564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80479042560).

53113533564 is an abundant number, since it is smaller than the sum of its proper divisors (107844551556).

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

53113533564 is a wasteful number, since it uses less digits than its factorization.

53113533564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23900 (or 23898 counting only the distinct ones).

The product of its digits is 243000, while the sum is 39.

The spelling of 53113533564 in words is "fifty-three billion, one hundred thirteen million, five hundred thirty-three thousand, five hundred sixty-four".