52542630 has 48 divisors (see below), whose sum is σ = 156128544. Its totient is φ = 12009600.

The previous prime is 52542601. The next prime is 52542641. The reversal of 52542630 is 3624525.

52542630 is a `hidden beast` number, since 5 + 25 + 4 + 2 + 630 = 666.

52542630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52542594 and 52542603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41071 + ... + 42330.

It is an arithmetic number, because the mean of its divisors is an integer number (3252678).

Almost surely, 2^52542630 is an apocalyptic number.

52542630 is an abundant number, since it is smaller than the sum of its proper divisors (103585914).

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

52542630 is a wasteful number, since it uses less digits than its factorization.

52542630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83421 (or 83418 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52542630 is about 7248.6295256414. The cubic root of 52542630 is about 374.5449413477.

The spelling of 52542630 in words is "fifty-two million, five hundred forty-two thousand, six hundred thirty".