52282021 has 8 divisors (see below), whose sum is σ = 60390144. Its totient is φ = 44733120.

The previous prime is 52282007. The next prime is 52282037. The reversal of 52282021 is 12028225.

52282021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52282021 - 2¹¹ = 52279973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52281983 and 52282001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52282081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139605 + ... + 139978.

It is an arithmetic number, because the mean of its divisors is an integer number (7548768).

Almost surely, 2^52282021 is an apocalyptic number.

It is an amenable number.

52282021 is a deficient number, since it is larger than the sum of its proper divisors (8108123).

52282021 is a wasteful number, since it uses less digits than its factorization.

52282021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279611.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 52282021 is about 7230.6307470372. The cubic root of 52282021 is about 373.9246728865.

The spelling of 52282021 in words is "fifty-two million, two hundred eighty-two thousand, twenty-one".