52628530 has 8 divisors (see below), whose sum is σ = 94731372. Its totient is φ = 21051408.

The previous prime is 52628519. The next prime is 52628539. The reversal of 52628530 is 3582625.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 51529 = 7251^2 + 227^2 .

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 = 52628492 and 52628501.

It is not an unprimeable number, because it can be changed into a prime (52628539) 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, 2631417 + ... + 2631436.

Almost surely, 2^52628530 is an apocalyptic number.

52628530 is a deficient number, since it is larger than the sum of its proper divisors (42102842).

52628530 is a wasteful number, since it uses less digits than its factorization.

52628530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262860.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 52628530 is about 7254.5523638609. The cubic root of 52628530 is about 374.7489401028.

The spelling of 52628530 in words is "fifty-two million, six hundred twenty-eight thousand, five hundred thirty".