52140441 has 8 divisors (see below), whose sum is σ = 69604960. Its totient is φ = 34718112.

The previous prime is 52140409. The next prime is 52140457. The reversal of 52140441 is 14404125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52140441 - 2⁵ = 52140409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52140461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7540 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (8700620).

Almost surely, 2^52140441 is an apocalyptic number.

It is an amenable number.

52140441 is a deficient number, since it is larger than the sum of its proper divisors (17464519).

52140441 is a wasteful number, since it uses less digits than its factorization.

52140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21095.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 52140441 is about 7220.8338161185. The cubic root of 52140441 is about 373.5868377270.

Adding to 52140441 its reverse (14404125), we get a palindrome (66544566).

The spelling of 52140441 in words is "fifty-two million, one hundred forty thousand, four hundred forty-one".