53120906136 has 224 divisors, whose sum is σ = 155050794000. Its totient is φ = 17033732352.

The previous prime is 53120906129. The next prime is 53120906141. The reversal of 53120906136 is 63160902135.

53120906136 is a `hidden beast` number, since 5 + 31 + 2 + 0 + 9 + 0 + 613 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53120906136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 74923350 + ... + 74924058.

Almost surely, 2^53120906136 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 53120906136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77525397000).

53120906136 is an abundant number, since it is smaller than the sum of its proper divisors (101929887864).

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

53120906136 is a wasteful number, since it uses less digits than its factorization.

53120906136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 53120906136 in words is "fifty-three billion, one hundred twenty million, nine hundred six thousand, one hundred thirty-six".