52534540 has 12 divisors (see below), whose sum is σ = 110322576. Its totient is φ = 21013808.

The previous prime is 52534529. The next prime is 52534541. The reversal of 52534540 is 4543525.

It is a junction number, because it is equal to n+sod(n) for n = 52534499 and 52534508.

It is not an unprimeable number, because it can be changed into a prime (52534541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1313344 + ... + 1313383.

It is an arithmetic number, because the mean of its divisors is an integer number (9193548).

Almost surely, 2^52534540 is an apocalyptic number.

It is an amenable number.

52534540 is an abundant number, since it is smaller than the sum of its proper divisors (57788036).

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

52534540 is a wasteful number, since it uses less digits than its factorization.

52534540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626736 (or 2626734 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 52534540 is about 7248.0714676388. The cubic root of 52534540 is about 374.5257174394.

The spelling of 52534540 in words is "fifty-two million, five hundred thirty-four thousand, five hundred forty".