52253540 has 12 divisors (see below), whose sum is σ = 109732476. Its totient is φ = 20901408.

The previous prime is 52253491. The next prime is 52253543. The reversal of 52253540 is 4535225.

52253540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 43586404 = 2944^2 + 6602^2 .

It is not an unprimeable number, because it can be changed into a prime (52253543) by changing a digit.

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, 1306319 + ... + 1306358.

It is an arithmetic number, because the mean of its divisors is an integer number (9144373).

Almost surely, 2^52253540 is an apocalyptic number.

It is an amenable number.

52253540 is an abundant number, since it is smaller than the sum of its proper divisors (57478936).

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

52253540 is a wasteful number, since it uses less digits than its factorization.

52253540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612686 (or 2612684 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 52253540 is about 7228.6610101733. The cubic root of 52253540 is about 373.8567611848.

Adding to 52253540 its reverse (4535225), we get a palindrome (56788765).

The spelling of 52253540 in words is "fifty-two million, two hundred fifty-three thousand, five hundred forty".