52630530 has 32 divisors (see below), whose sum is σ = 126741888. Its totient is φ = 13987200.

The previous prime is 52630519. The next prime is 52630547. The reversal of 52630530 is 3503625.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52630530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6510 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (3960684).

Almost surely, 2^52630530 is an apocalyptic number.

52630530 is an abundant number, since it is smaller than the sum of its proper divisors (74111358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52630530 is a wasteful number, since it uses less digits than its factorization.

52630530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 52630530 is about 7254.6902070316. The cubic root of 52630530 is about 374.7536871376.

The spelling of 52630530 in words is "fifty-two million, six hundred thirty thousand, five hundred thirty".