52820452 has 24 divisors (see below), whose sum is σ = 93678200. Its totient is φ = 26058240.

The previous prime is 52820447. The next prime is 52820459. The reversal of 52820452 is 25402825.

It can be written as a sum of positive squares in 4 ways, for example, as 13957696 + 38862756 = 3736^2 + 6234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52820452.

It is not an unprimeable number, because it can be changed into a prime (52820459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151174 + ... + 151522.

Almost surely, 2^52820452 is an apocalyptic number.

It is an amenable number.

52820452 is a deficient number, since it is larger than the sum of its proper divisors (40857748).

52820452 is a wasteful number, since it uses less digits than its factorization.

52820452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 52820452 is about 7267.7680205136. The cubic root of 52820452 is about 375.2039234575.

The spelling of 52820452 in words is "fifty-two million, eight hundred twenty thousand, four hundred fifty-two".