52215244 has 48 divisors (see below), whose sum is σ = 99525888. Its totient is φ = 23905728.

The previous prime is 52215239. The next prime is 52215269. The reversal of 52215244 is 44251225.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264954 + ... + 265150.

It is an arithmetic number, because the mean of its divisors is an integer number (2073456).

Almost surely, 2^52215244 is an apocalyptic number.

It is an amenable number.

52215244 is a deficient number, since it is larger than the sum of its proper divisors (47310644).

52215244 is a wasteful number, since it uses less digits than its factorization.

52215244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 52215244 is about 7226.0116246793. The cubic root of 52215244 is about 373.7654071343.

Adding to 52215244 its reverse (44251225), we get a palindrome (96466469).

It can be divided in two parts, 52 and 215244, that added together give a square (215296 = 464²).

The spelling of 52215244 in words is "fifty-two million, two hundred fifteen thousand, two hundred forty-four".