54556617 has 4 divisors (see below), whose sum is σ = 72742160. Its totient is φ = 36371076.

The previous prime is 54556603. The next prime is 54556639. The reversal of 54556617 is 71665545.

54556617 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54556617 - 2⁸ = 54556361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54556687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9092767 + ... + 9092772.

It is an arithmetic number, because the mean of its divisors is an integer number (18185540).

Almost surely, 2^54556617 is an apocalyptic number.

It is an amenable number.

54556617 is a deficient number, since it is larger than the sum of its proper divisors (18185543).

54556617 is a wasteful number, since it uses less digits than its factorization.

54556617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18185542.

The product of its digits is 126000, while the sum is 39.

The square root of 54556617 is about 7386.2451218464. The cubic root of 54556617 is about 379.2705697832.

The spelling of 54556617 in words is "fifty-four million, five hundred fifty-six thousand, six hundred seventeen".