52756452 has 72 divisors (see below), whose sum is σ = 157684800. Its totient is φ = 14551488.

The previous prime is 52756439. The next prime is 52756453. The reversal of 52756452 is 25465725.

52756452 is a `hidden beast` number, since 5 + 2 + 7 + 5 + 645 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52756453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3699 + ... + 10917.

Almost surely, 2^52756452 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 52756452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78842400).

52756452 is an abundant number, since it is smaller than the sum of its proper divisors (104928348).

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

52756452 is a wasteful number, since it uses less digits than its factorization.

52756452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265 (or 7260 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 52756452 is about 7263.3636835835. The cubic root of 52756452 is about 375.0523233657.

The spelling of 52756452 in words is "fifty-two million, seven hundred fifty-six thousand, four hundred fifty-two".