52782566 has 8 divisors (see below), whose sum is σ = 79214160. Its totient is φ = 26377848.

The previous prime is 52782563. The next prime is 52782571. The reversal of 52782566 is 66528725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52782563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (9901770).

Almost surely, 2^52782566 is an apocalyptic number.

52782566 is a deficient number, since it is larger than the sum of its proper divisors (26431594).

52782566 is a wasteful number, since it uses less digits than its factorization.

52782566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438.

The product of its digits is 201600, while the sum is 41.

The square root of 52782566 is about 7265.1611131481. The cubic root of 52782566 is about 375.1141957399.

The spelling of 52782566 in words is "fifty-two million, seven hundred eighty-two thousand, five hundred sixty-six".