53435736 has 48 divisors (see below), whose sum is σ = 146774160. Its totient is φ = 17559360.

The previous prime is 53435687. The next prime is 53435741. The reversal of 53435736 is 63753435.

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 53435736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (3057795).

Almost surely, 2^53435736 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 53435736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73387080).

53435736 is an abundant number, since it is smaller than the sum of its proper divisors (93338424).

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

53435736 is a wasteful number, since it uses less digits than its factorization.

53435736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536 (or 10529 counting only the distinct ones).

The product of its digits is 113400, while the sum is 36.

The square root of 53435736 is about 7309.9751025568. The cubic root of 53435736 is about 376.6551690263.

The spelling of 53435736 in words is "fifty-three million, four hundred thirty-five thousand, seven hundred thirty-six".