54044561 has 8 divisors (see below), whose sum is σ = 55179648. Its totient is φ = 52930500.

The previous prime is 54044539. The next prime is 54044591. The reversal of 54044561 is 16544045.

54044561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-54044561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54044591) 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 7 ways as a sum of consecutive naturals, for example, 357836 + ... + 357986.

It is an arithmetic number, because the mean of its divisors is an integer number (6897456).

Almost surely, 2^54044561 is an apocalyptic number.

It is an amenable number.

54044561 is a deficient number, since it is larger than the sum of its proper divisors (1135087).

54044561 is an frugal number, since it uses more digits than its factorization.

54044561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 54044561 is about 7351.5005951166. The cubic root of 54044561 is about 378.0802555347.

The spelling of 54044561 in words is "fifty-four million, forty-four thousand, five hundred sixty-one".