52518441 has 4 divisors (see below), whose sum is σ = 70024592. Its totient is φ = 35012292.

The previous prime is 52518379. The next prime is 52518443. The reversal of 52518441 is 14481525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52518441 - 2⁷ = 52518313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52518399 and 52518408.

It is not an unprimeable number, because it can be changed into a prime (52518443) 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, 8753071 + ... + 8753076.

It is an arithmetic number, because the mean of its divisors is an integer number (17506148).

Almost surely, 2^52518441 is an apocalyptic number.

It is an amenable number.

52518441 is a deficient number, since it is larger than the sum of its proper divisors (17506151).

52518441 is a wasteful number, since it uses less digits than its factorization.

52518441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506150.

The product of its digits is 6400, while the sum is 30.

The square root of 52518441 is about 7246.9608112643. The cubic root of 52518441 is about 374.4874562273.

Adding to 52518441 its reverse (14481525), we get a palindrome (66999966).

The spelling of 52518441 in words is "fifty-two million, five hundred eighteen thousand, four hundred forty-one".