52731756 has 192 divisors, whose sum is σ = 180956160. Its totient is φ = 12856320.

The previous prime is 52731751. The next prime is 52731799. The reversal of 52731756 is 65713725.

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 52731756.

It is not an unprimeable number, because it can be changed into a prime (52731751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141186 + ... + 141558.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^52731756 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 52731756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90478080).

52731756 is an abundant number, since it is smaller than the sum of its proper divisors (128224404).

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

52731756 is a wasteful number, since it uses less digits than its factorization.

52731756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 413 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 52731756 is about 7261.6634457953. The cubic root of 52731756 is about 374.9937918972.

The spelling of 52731756 in words is "fifty-two million, seven hundred thirty-one thousand, seven hundred fifty-six".