53984491 has 8 divisors (see below), whose sum is σ = 61992000. Its totient is φ = 46493640.

The previous prime is 53984471. The next prime is 53984543. The reversal of 53984491 is 19448935.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53984491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53984461) 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, 128941 + ... + 129358.

It is an arithmetic number, because the mean of its divisors is an integer number (7749000).

Almost surely, 2^53984491 is an apocalyptic number.

53984491 is a deficient number, since it is larger than the sum of its proper divisors (8007509).

53984491 is a wasteful number, since it uses less digits than its factorization.

53984491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258329.

The product of its digits is 155520, while the sum is 43.

The square root of 53984491 is about 7347.4138987810. The cubic root of 53984491 is about 377.9401261045.

It can be divided in two parts, 539844 and 91, that added together give a palindrome (539935).

The spelling of 53984491 in words is "fifty-three million, nine hundred eighty-four thousand, four hundred ninety-one".