52481242 has 32 divisors (see below), whose sum is σ = 90953280. Its totient is φ = 22485120.

The previous prime is 52481237. The next prime is 52481279. The reversal of 52481242 is 24218425.

It is a self number, because there is not a number n which added to its sum of digits gives 52481242.

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, 26478 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (2842290).

Almost surely, 2^52481242 is an apocalyptic number.

52481242 is a deficient number, since it is larger than the sum of its proper divisors (38472038).

52481242 is a wasteful number, since it uses less digits than its factorization.

52481242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its digits is 5120, while the sum is 28.

The square root of 52481242 is about 7244.3938324749. The cubic root of 52481242 is about 374.3990184079.

Adding to 52481242 its reverse (24218425), we get a palindrome (76699667).

The spelling of 52481242 in words is "fifty-two million, four hundred eighty-one thousand, two hundred forty-two".