52035521 has 4 divisors (see below), whose sum is σ = 55096452. Its totient is φ = 48974592.

The previous prime is 52035481. The next prime is 52035527. The reversal of 52035521 is 12553025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 18395521 = 5800^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 52035521 - 2⁶ = 52035457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52035527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530440 + ... + 1530473.

It is an arithmetic number, because the mean of its divisors is an integer number (13774113).

Almost surely, 2^52035521 is an apocalyptic number.

It is an amenable number.

52035521 is a deficient number, since it is larger than the sum of its proper divisors (3060931).

52035521 is a wasteful number, since it uses less digits than its factorization.

52035521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060930.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52035521 is about 7213.5650686744. The cubic root of 52035521 is about 373.3360851377.

Adding to 52035521 its reverse (12553025), we get a palindrome (64588546).

The spelling of 52035521 in words is "fifty-two million, thirty-five thousand, five hundred twenty-one".