52021282 has 4 divisors (see below), whose sum is σ = 78031926. Its totient is φ = 26010640.

The previous prime is 52021261. The next prime is 52021313. The reversal of 52021282 is 28212025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 15768841 = 6021^2 + 3971^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005319 + ... + 13005322.

Almost surely, 2^52021282 is an apocalyptic number.

52021282 is a deficient number, since it is larger than the sum of its proper divisors (26010644).

52021282 is a wasteful number, since it uses less digits than its factorization.

52021282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010643.

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

The square root of 52021282 is about 7212.5780411722. The cubic root of 52021282 is about 373.3020288023.

The spelling of 52021282 in words is "fifty-two million, twenty-one thousand, two hundred eighty-two".