52637256 has 128 divisors (see below), whose sum is σ = 172646400. Its totient is φ = 14541120.

The previous prime is 52637251. The next prime is 52637257. The reversal of 52637256 is 65273625.

It is a happy number.

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 52637256.

It is not an unprimeable number, because it can be changed into a prime (52637251) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 46311 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (1348800).

Almost surely, 2^52637256 is an apocalyptic number.

52637256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52637256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86323200).

52637256 is an abundant number, since it is smaller than the sum of its proper divisors (120009144).

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

52637256 is a wasteful number, since it uses less digits than its factorization.

52637256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1166 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 52637256 is about 7255.1537544011. The cubic root of 52637256 is about 374.7696505333.

The spelling of 52637256 in words is "fifty-two million, six hundred thirty-seven thousand, two hundred fifty-six".