52436736 has 108 divisors (see below), whose sum is σ = 165012120. Its totient is φ = 15882240.

The previous prime is 52436729. The next prime is 52436771. The reversal of 52436736 is 63763425.

It is a super-2 number, since 2×52436736² = 5499222564667392, which contains 22 as substring.

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 52436736.

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, 24310 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (1527890).

Almost surely, 2^52436736 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 52436736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82506060).

52436736 is an abundant number, since it is smaller than the sum of its proper divisors (112575384).

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

52436736 is a wasteful number, since it uses less digits than its factorization.

52436736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2085 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 52436736 is about 7241.3214263696. The cubic root of 52436736 is about 374.2931538197.

The spelling of 52436736 in words is "fifty-two million, four hundred thirty-six thousand, seven hundred thirty-six".