52712816 has 20 divisors (see below), whose sum is σ = 109987752. Its totient is φ = 24328896.

The previous prime is 52712813. The next prime is 52712819. The reversal of 52712816 is 61821725.

It is an interprime number because it is at equal distance from previous prime (52712813) and next prime (52712819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52712813) 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, 126506 + ... + 126921.

Almost surely, 2^52712816 is an apocalyptic number.

It is an amenable number.

52712816 is an abundant number, since it is smaller than the sum of its proper divisors (57274936).

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

52712816 is a wasteful number, since it uses less digits than its factorization.

52712816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253448 (or 253442 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 52712816 is about 7260.3592197632. The cubic root of 52712816 is about 374.9488902196.

The spelling of 52712816 in words is "fifty-two million, seven hundred twelve thousand, eight hundred sixteen".