52088521 has 4 divisors (see below), whose sum is σ = 52255252. Its totient is φ = 51921792.

The previous prime is 52088513. The next prime is 52088539. The reversal of 52088521 is 12588025.

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 765625 + 51322896 = 875^2 + 7164^2 .

It is a cyclic number.

It is not a de Polignac number, because 52088521 - 2³ = 52088513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52088501) 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, 82896 + ... + 83521.

It is an arithmetic number, because the mean of its divisors is an integer number (13063813).

Almost surely, 2^52088521 is an apocalyptic number.

It is an amenable number.

52088521 is a deficient number, since it is larger than the sum of its proper divisors (166731).

52088521 is a wasteful number, since it uses less digits than its factorization.

52088521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166730.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 52088521 is about 7217.2377680107. The cubic root of 52088521 is about 373.4627940863.

The spelling of 52088521 in words is "fifty-two million, eighty-eight thousand, five hundred twenty-one".