52782522 has 64 divisors (see below), whose sum is σ = 119218176. Its totient is φ = 15468480.

The previous prime is 52782511. The next prime is 52782529. The reversal of 52782522 is 22528725.

It is not an unprimeable number, because it can be changed into a prime (52782529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200563 + ... + 200825.

It is an arithmetic number, because the mean of its divisors is an integer number (1862784).

Almost surely, 2^52782522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52782522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59609088).

52782522 is an abundant number, since it is smaller than the sum of its proper divisors (66435654).

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

52782522 is a wasteful number, since it uses less digits than its factorization.

52782522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its digits is 22400, while the sum is 33.

The square root of 52782522 is about 7265.1580849972. The cubic root of 52782522 is about 375.1140915070.

The spelling of 52782522 in words is "fifty-two million, seven hundred eighty-two thousand, five hundred twenty-two".