52145441 has 4 divisors (see below), whose sum is σ = 53827584. Its totient is φ = 50463300.

The previous prime is 52145417. The next prime is 52145447. The reversal of 52145441 is 14454125.

52145441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52145441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52145441.

It is not an unprimeable number, because it can be changed into a prime (52145447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841025 + ... + 841086.

It is an arithmetic number, because the mean of its divisors is an integer number (13456896).

Almost surely, 2^52145441 is an apocalyptic number.

It is an amenable number.

52145441 is a deficient number, since it is larger than the sum of its proper divisors (1682143).

52145441 is a wasteful number, since it uses less digits than its factorization.

52145441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682142.

The product of its digits is 3200, while the sum is 26.

The square root of 52145441 is about 7221.1800282225. The cubic root of 52145441 is about 373.5987790304.

Adding to 52145441 its reverse (14454125), we get a palindrome (66599566).

The spelling of 52145441 in words is "fifty-two million, one hundred forty-five thousand, four hundred forty-one".