52513330 has 8 divisors (see below), whose sum is σ = 94524012. Its totient is φ = 21005328.

The previous prime is 52513313. The next prime is 52513337. The reversal of 52513330 is 3331525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51165409 + 1347921 = 7153^2 + 1161^2 .

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

It is a super-4 number, since 4×52513330⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (52513337) 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, 2625657 + ... + 2625676.

Almost surely, 2^52513330 is an apocalyptic number.

52513330 is a deficient number, since it is larger than the sum of its proper divisors (42010682).

52513330 is a wasteful number, since it uses less digits than its factorization.

52513330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251340.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 52513330 is about 7246.6081721037. The cubic root of 52513330 is about 374.4753076851.

Adding to 52513330 its reverse (3331525), we get a palindrome (55844855).

The spelling of 52513330 in words is "fifty-two million, five hundred thirteen thousand, three hundred thirty".