54617933686 has 4 divisors (see below), whose sum is σ = 81926900532. Its totient is φ = 27308966842.

The previous prime is 54617933681. The next prime is 54617933701. The reversal of 54617933686 is 68633971645.

It is a happy number.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54617933686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54617933681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13654483420 + ... + 13654483423.

It is an arithmetic number, because the mean of its divisors is an integer number (20481725133).

Almost surely, 2^54617933686 is an apocalyptic number.

54617933686 is a deficient number, since it is larger than the sum of its proper divisors (27308966846).

54617933686 is a wasteful number, since it uses less digits than its factorization.

54617933686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27308966845.

The product of its digits is 19595520, while the sum is 58.

The spelling of 54617933686 in words is "fifty-four billion, six hundred seventeen million, nine hundred thirty-three thousand, six hundred eighty-six".