53444983 has 4 divisors (see below), whose sum is σ = 54889480. Its totient is φ = 52000488.

The previous prime is 53444977. The next prime is 53445011. The reversal of 53444983 is 38944435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53444983 - 2⁹ = 53444471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53444953) 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, 722193 + ... + 722266.

It is an arithmetic number, because the mean of its divisors is an integer number (13722370).

Almost surely, 2^53444983 is an apocalyptic number.

53444983 is a deficient number, since it is larger than the sum of its proper divisors (1444497).

53444983 is a wasteful number, since it uses less digits than its factorization.

53444983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444496.

The product of its digits is 207360, while the sum is 40.

The square root of 53444983 is about 7310.6075670904. The cubic root of 53444983 is about 376.6768943717.

The spelling of 53444983 in words is "fifty-three million, four hundred forty-four thousand, nine hundred eighty-three".