54556161 has 16 divisors (see below), whose sum is σ = 82805760. Its totient is φ = 31626320.

The previous prime is 54556141. The next prime is 54556171. The reversal of 54556161 is 16165545.

It is not a de Polignac number, because 54556161 - 2⁶ = 54556097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54556141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35181 + ... + 36698.

It is an arithmetic number, because the mean of its divisors is an integer number (5175360).

Almost surely, 2^54556161 is an apocalyptic number.

It is an amenable number.

54556161 is a deficient number, since it is larger than the sum of its proper divisors (28249599).

54556161 is a wasteful number, since it uses less digits than its factorization.

54556161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71916.

The product of its digits is 18000, while the sum is 33.

The square root of 54556161 is about 7386.2142535943. The cubic root of 54556161 is about 379.2695130959.

The spelling of 54556161 in words is "fifty-four million, five hundred fifty-six thousand, one hundred sixty-one".