53361155232 has 432 divisors, whose sum is σ = 193778518752. Its totient is φ = 13772989440.

The previous prime is 53361155227. The next prime is 53361155423. The reversal of 53361155232 is 23255116335.

53361155232 is a `hidden beast` number, since 5 + 3 + 3 + 611 + 5 + 5 + 2 + 32 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26854143 + ... + 26856129.

It is an arithmetic number, because the mean of its divisors is an integer number (448561386).

Almost surely, 2^53361155232 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 53361155232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96889259376).

53361155232 is an abundant number, since it is smaller than the sum of its proper divisors (140417363520).

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

53361155232 is a wasteful number, since it uses less digits than its factorization.

53361155232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2183 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The spelling of 53361155232 in words is "fifty-three billion, three hundred sixty-one million, one hundred fifty-five thousand, two hundred thirty-two".