52523330 has 8 divisors (see below), whose sum is σ = 94542012. Its totient is φ = 21009328.

The previous prime is 52523311. The next prime is 52523369. The reversal of 52523330 is 3332525.

It can be written as a sum of positive squares in 2 ways, for example, as 50452609 + 2070721 = 7103^2 + 1439^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 52523296 and 52523305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626157 + ... + 2626176.

Almost surely, 2^52523330 is an apocalyptic number.

52523330 is a deficient number, since it is larger than the sum of its proper divisors (42018682).

52523330 is a wasteful number, since it uses less digits than its factorization.

52523330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252340.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 52523330 is about 7247.2981172296. The cubic root of 52523330 is about 374.4990763511.

Adding to 52523330 its reverse (3332525), we get a palindrome (55855855).

The spelling of 52523330 in words is "fifty-two million, five hundred twenty-three thousand, three hundred thirty".