54618774517 has 8 divisors (see below), whose sum is σ = 57556575360. Its totient is φ = 51687286560.

The previous prime is 54618774487. The next prime is 54618774527. The reversal of 54618774517 is 71547781645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54618774517 - 2¹⁹ = 54618250229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54618774527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560448 + ... + 1595065.

It is an arithmetic number, because the mean of its divisors is an integer number (7194571920).

Almost surely, 2^54618774517 is an apocalyptic number.

It is an amenable number.

54618774517 is a deficient number, since it is larger than the sum of its proper divisors (2937800843).

54618774517 is a wasteful number, since it uses less digits than its factorization.

54618774517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156443.

The product of its digits is 6585600, while the sum is 55.

The spelling of 54618774517 in words is "fifty-four billion, six hundred eighteen million, seven hundred seventy-four thousand, five hundred seventeen".