54586561 has 4 divisors (see below), whose sum is σ = 55127124. Its totient is φ = 54046000.

The previous prime is 54586559. The next prime is 54586573. The reversal of 54586561 is 16568545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46991025 + 7595536 = 6855^2 + 2756^2 .

It is a cyclic number.

It is not a de Polignac number, because 54586561 - 2¹ = 54586559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54586531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270130 + ... + 270331.

It is an arithmetic number, because the mean of its divisors is an integer number (13781781).

Almost surely, 2^54586561 is an apocalyptic number.

It is an amenable number.

54586561 is a deficient number, since it is larger than the sum of its proper divisors (540563).

54586561 is a wasteful number, since it uses less digits than its factorization.

54586561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540562.

The product of its digits is 144000, while the sum is 40.

The square root of 54586561 is about 7388.2718547709. The cubic root of 54586561 is about 379.3399460350.

The spelling of 54586561 in words is "fifty-four million, five hundred eighty-six thousand, five hundred sixty-one".