52821053 has 2 divisors, whose sum is σ = 52821054. Its totient is φ = 52821052.

The previous prime is 52821047. The next prime is 52821061. The reversal of 52821053 is 35012825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 7689529 = 6718^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 52821053 - 2⁴ = 52821037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52821553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26410526 + 26410527.

It is an arithmetic number, because the mean of its divisors is an integer number (26410527).

Almost surely, 2^52821053 is an apocalyptic number.

It is an amenable number.

52821053 is a deficient number, since it is larger than the sum of its proper divisors (1).

52821053 is an equidigital number, since it uses as much as digits as its factorization.

52821053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52821053 is about 7267.8093673403. The cubic root of 52821053 is about 375.2053464966.

Adding to 52821053 its reverse (35012825), we get a palindrome (87833878).

The spelling of 52821053 in words is "fifty-two million, eight hundred twenty-one thousand, fifty-three".