53013353652 has 144 divisors (see below), whose sum is σ = 163419634560. Its totient is φ = 14152817664.

The previous prime is 53013353641. The next prime is 53013353693. The reversal of 53013353652 is 25635331035.

53013353652 is a `hidden beast` number, since 530 + 13 + 3 + 53 + 65 + 2 = 666.

It is a super-3 number, since 3×53013353652³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273688 + ... + 425360.

Almost surely, 2^53013353652 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 53013353652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81709817280).

53013353652 is an abundant number, since it is smaller than the sum of its proper divisors (110406280908).

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

53013353652 is a wasteful number, since it uses less digits than its factorization.

53013353652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151782 (or 151777 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

Adding to 53013353652 its reverse (25635331035), we get a palindrome (78648684687).

The spelling of 53013353652 in words is "fifty-three billion, thirteen million, three hundred fifty-three thousand, six hundred fifty-two".