52215342 has 8 divisors (see below), whose sum is σ = 104430696. Its totient is φ = 17405112.

The previous prime is 52215337. The next prime is 52215343. The reversal of 52215342 is 24351225.

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

52215342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215343) 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, 4351273 + ... + 4351284.

It is an arithmetic number, because the mean of its divisors is an integer number (13053837).

Almost surely, 2^52215342 is an apocalyptic number.

52215342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52215342 is a wasteful number, since it uses less digits than its factorization.

52215342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702562.

The product of its digits is 2400, while the sum is 24.

The square root of 52215342 is about 7226.0184057335. The cubic root of 52215342 is about 373.7656409676.

Adding to 52215342 its reverse (24351225), we get a palindrome (76566567).

The spelling of 52215342 in words is "fifty-two million, two hundred fifteen thousand, three hundred forty-two".