52645242 has 32 divisors (see below), whose sum is σ = 113883840. Its totient is φ = 16128000.

The previous prime is 52645213. The next prime is 52645259. The reversal of 52645242 is 24254625.

It is a happy number.

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, 18234 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (3558870).

Almost surely, 2^52645242 is an apocalyptic number.

52645242 is an abundant number, since it is smaller than the sum of its proper divisors (61238598).

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

52645242 is a wasteful number, since it uses less digits than its factorization.

52645242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958.

The product of its digits is 19200, while the sum is 30.

The square root of 52645242 is about 7255.7041009126. The cubic root of 52645242 is about 374.7886026299.

Adding to 52645242 its reverse (24254625), we get a palindrome (76899867).

The spelling of 52645242 in words is "fifty-two million, six hundred forty-five thousand, two hundred forty-two".