54554561 has 2 divisors, whose sum is σ = 54554562. Its totient is φ = 54554560.

The previous prime is 54554537. The next prime is 54554569. The reversal of 54554561 is 16545545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 11730625 = 6544^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 54554561 - 2¹⁴ = 54538177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54554569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277280 + 27277281.

It is an arithmetic number, because the mean of its divisors is an integer number (27277281).

Almost surely, 2^54554561 is an apocalyptic number.

It is an amenable number.

54554561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54554561 is an equidigital number, since it uses as much as digits as its factorization.

54554561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60000, while the sum is 35.

The square root of 54554561 is about 7386.1059429174. The cubic root of 54554561 is about 379.2658053744.

The spelling of 54554561 in words is "fifty-four million, five hundred fifty-four thousand, five hundred sixty-one".