53982989999 has 4 divisors (see below), whose sum is σ = 54008348160. Its totient is φ = 53957631840.

The previous prime is 53982989959. The next prime is 53982990007. The reversal of 53982989999 is 99998928935.

53982989999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53982989999 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 (53982989909) 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, 12675887 + ... + 12680144.

It is an arithmetic number, because the mean of its divisors is an integer number (13502087040).

Almost surely, 2^53982989999 is an apocalyptic number.

53982989999 is a deficient number, since it is larger than the sum of its proper divisors (25358161).

53982989999 is a wasteful number, since it uses less digits than its factorization.

53982989999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25358160.

The product of its digits is 1020366720, while the sum is 80.

The spelling of 53982989999 in words is "fifty-three billion, nine hundred eighty-two million, nine hundred eighty-nine thousand, nine hundred ninety-nine".