52217572 has 24 divisors (see below), whose sum is σ = 100336320. Its totient is φ = 23580960.

The previous prime is 52217569. The next prime is 52217573. The reversal of 52217572 is 27571225.

52217572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52217573) 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 7 ways as a sum of consecutive naturals, for example, 3129 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (4180680).

Almost surely, 2^52217572 is an apocalyptic number.

It is an amenable number.

52217572 is a deficient number, since it is larger than the sum of its proper divisors (48118748).

52217572 is a wasteful number, since it uses less digits than its factorization.

52217572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731 (or 7729 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 52217572 is about 7226.1727075956. The cubic root of 52217572 is about 373.7709617890.

Adding to 52217572 its reverse (27571225), we get a palindrome (79788797).

The spelling of 52217572 in words is "fifty-two million, two hundred seventeen thousand, five hundred seventy-two".