54364561 has 4 divisors (see below), whose sum is σ = 55052800. Its totient is φ = 53676324.

The previous prime is 54364543. The next prime is 54364573. The reversal of 54364561 is 16546345.

54364561 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, and also an emirpimes, since its reverse is a distinct semiprime: 16546345 = 5 ⋅3309269.

It is a cyclic number.

It is not a de Polignac number, because 54364561 - 2¹¹ = 54362513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54364511) 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, 344001 + ... + 344158.

It is an arithmetic number, because the mean of its divisors is an integer number (13763200).

Almost surely, 2^54364561 is an apocalyptic number.

It is an amenable number.

54364561 is a deficient number, since it is larger than the sum of its proper divisors (688239).

54364561 is an equidigital number, since it uses as much as digits as its factorization.

54364561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688238.

The product of its digits is 43200, while the sum is 34.

The square root of 54364561 is about 7373.2327374090. The cubic root of 54364561 is about 378.8249970030.

The spelling of 54364561 in words is "fifty-four million, three hundred sixty-four thousand, five hundred sixty-one".