53439841 has 24 divisors (see below), whose sum is σ = 68538624. Its totient is φ = 41277600.

The previous prime is 53439839. The next prime is 53439853. The reversal of 53439841 is 14893435.

It is not a de Polignac number, because 53439841 - 2¹ = 53439839 is a prime.

It is a super-2 number, since 2×53439841² = 5711633212210562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53439841.

It is not an unprimeable number, because it can be changed into a prime (53439811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26416 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (2855776).

Almost surely, 2^53439841 is an apocalyptic number.

It is an amenable number.

53439841 is a deficient number, since it is larger than the sum of its proper divisors (15098783).

53439841 is a wasteful number, since it uses less digits than its factorization.

53439841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2014 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 53439841 is about 7310.2558778746. The cubic root of 53439841 is about 376.6648138195.

The spelling of 53439841 in words is "fifty-three million, four hundred thirty-nine thousand, eight hundred forty-one".