53989484909 has 4 divisors (see below), whose sum is σ = 54010421760. Its totient is φ = 53968548060.

The previous prime is 53989484893. The next prime is 53989484917. The reversal of 53989484909 is 90948498935.

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 not a de Polignac number, because 53989484909 - 2⁴ = 53989484893 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 (53989484929) 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, 10464557 + ... + 10469714.

It is an arithmetic number, because the mean of its divisors is an integer number (13502605440).

Almost surely, 2^53989484909 is an apocalyptic number.

It is an amenable number.

53989484909 is a deficient number, since it is larger than the sum of its proper divisors (20936851).

53989484909 is a wasteful number, since it uses less digits than its factorization.

53989484909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20936850.

The product of its (nonzero) digits is 100776960, while the sum is 68.

The spelling of 53989484909 in words is "fifty-three billion, nine hundred eighty-nine million, four hundred eighty-four thousand, nine hundred nine".