54124561 has 2 divisors, whose sum is σ = 54124562. Its totient is φ = 54124560.

The previous prime is 54124547. The next prime is 54124571. The reversal of 54124561 is 16542145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 8088336 = 6785^2 + 2844^2 .

It is a cyclic number.

It is not a de Polignac number, because 54124561 - 2⁵ = 54124529 is a prime.

It is not a weakly prime, because it can be changed into another prime (54124531) 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 as a sum of consecutive naturals, namely, 27062280 + 27062281.

It is an arithmetic number, because the mean of its divisors is an integer number (27062281).

Almost surely, 2^54124561 is an apocalyptic number.

It is an amenable number.

54124561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54124561 is an equidigital number, since it uses as much as digits as its factorization.

54124561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 54124561 is about 7356.9396490660. The cubic root of 54124561 is about 378.2667159170.

The spelling of 54124561 in words is "fifty-four million, one hundred twenty-four thousand, five hundred sixty-one".