53439658988 has 12 divisors (see below), whose sum is σ = 95104478280. Its totient is φ = 26266950912.

The previous prime is 53439658957. The next prime is 53439659003. The reversal of 53439658988 is 88985693435.

53439658988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113219381 + ... + 113219852.

It is an arithmetic number, because the mean of its divisors is an integer number (7925373190).

Almost surely, 2^53439658988 is an apocalyptic number.

It is an amenable number.

53439658988 is a deficient number, since it is larger than the sum of its proper divisors (41664819292).

53439658988 is a wasteful number, since it uses less digits than its factorization.

53439658988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226439296 (or 226439294 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 68.

The spelling of 53439658988 in words is "fifty-three billion, four hundred thirty-nine million, six hundred fifty-eight thousand, nine hundred eighty-eight".