54136089897 has 32 divisors (see below), whose sum is σ = 76304851200. Its totient is φ = 34071493632.

The previous prime is 54136089893. The next prime is 54136089937. The reversal of 54136089897 is 79898063145.

It is not a de Polignac number, because 54136089897 - 2² = 54136089893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54136089897.

It is not an unprimeable number, because it can be changed into a prime (54136089893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3486483 + ... + 3501975.

It is an arithmetic number, because the mean of its divisors is an integer number (2384526600).

Almost surely, 2^54136089897 is an apocalyptic number.

It is an amenable number.

54136089897 is a deficient number, since it is larger than the sum of its proper divisors (22168761303).

54136089897 is a wasteful number, since it uses less digits than its factorization.

54136089897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 54136089897 in words is "fifty-four billion, one hundred thirty-six million, eighty-nine thousand, eight hundred ninety-seven".