52208242 has 4 divisors (see below), whose sum is σ = 78312366. Its totient is φ = 26104120.

The previous prime is 52208239. The next prime is 52208249. The reversal of 52208242 is 24280225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42653961 + 9554281 = 6531^2 + 3091^2 .

It is not an unprimeable number, because it can be changed into a prime (52208249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052059 + ... + 13052062.

Almost surely, 2^52208242 is an apocalyptic number.

52208242 is a deficient number, since it is larger than the sum of its proper divisors (26104124).

52208242 is a wasteful number, since it uses less digits than its factorization.

52208242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26104123.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 52208242 is about 7225.5271087997. The cubic root of 52208242 is about 373.7486992270.

Adding to 52208242 its reverse (24280225), we get a palindrome (76488467).

The spelling of 52208242 in words is "fifty-two million, two hundred eight thousand, two hundred forty-two".