52603530 has 64 divisors (see below), whose sum is σ = 150571008. Its totient is φ = 11499840.

The previous prime is 52603511. The next prime is 52603543. The reversal of 52603530 is 3530625.

It is a self number, because there is not a number n which added to its sum of digits gives 52603530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (2352672).

Almost surely, 2^52603530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52603530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75285504).

52603530 is an abundant number, since it is smaller than the sum of its proper divisors (97967478).

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

52603530 is a wasteful number, since it uses less digits than its factorization.

52603530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10931.

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

The square root of 52603530 is about 7252.8291031845. The cubic root of 52603530 is about 374.6895920181.

The spelling of 52603530 in words is "fifty-two million, six hundred three thousand, five hundred thirty".