52856736 has 48 divisors (see below), whose sum is σ = 143232768. Its totient is φ = 17049600.

The previous prime is 52856701. The next prime is 52856753. The reversal of 52856736 is 63765825.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5905 + ... + 11856.

It is an arithmetic number, because the mean of its divisors is an integer number (2984016).

Almost surely, 2^52856736 is an apocalyptic number.

It is an amenable number.

52856736 is an abundant number, since it is smaller than the sum of its proper divisors (90376032).

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

52856736 is a wasteful number, since it uses less digits than its factorization.

52856736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17805 (or 17797 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 52856736 is about 7270.2638191471. The cubic root of 52856736 is about 375.2898168477.

It can be divided in two parts, 5285 and 6736, that added together give a palindrome (12021).

The spelling of 52856736 in words is "fifty-two million, eight hundred fifty-six thousand, seven hundred thirty-six".