52304540 has 12 divisors (see below), whose sum is σ = 109839576. Its totient is φ = 20921808.

The previous prime is 52304531. The next prime is 52304611. The reversal of 52304540 is 4540325.

52304540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52304540² = 5471529809223200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1307594 + ... + 1307633.

It is an arithmetic number, because the mean of its divisors is an integer number (9153298).

Almost surely, 2^52304540 is an apocalyptic number.

It is an amenable number.

52304540 is an abundant number, since it is smaller than the sum of its proper divisors (57535036).

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

52304540 is a wasteful number, since it uses less digits than its factorization.

52304540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615236 (or 2615234 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52304540 is about 7232.1877741110. The cubic root of 52304540 is about 373.9783510017.

Adding to 52304540 its reverse (4540325), we get a palindrome (56844865).

The spelling of 52304540 in words is "fifty-two million, three hundred four thousand, five hundred forty".