54327661 has 2 divisors, whose sum is σ = 54327662. Its totient is φ = 54327660.

The previous prime is 54327607. The next prime is 54327667. The reversal of 54327661 is 16672345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 25908100 = 5331^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 54327661 - 2¹³ = 54319469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54327667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27163830 + 27163831.

It is an arithmetic number, because the mean of its divisors is an integer number (27163831).

Almost surely, 2^54327661 is an apocalyptic number.

It is an amenable number.

54327661 is a deficient number, since it is larger than the sum of its proper divisors (1).

54327661 is an equidigital number, since it uses as much as digits as its factorization.

54327661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 54327661 is about 7370.7300181190. The cubic root of 54327661 is about 378.7392683225.

The spelling of 54327661 in words is "fifty-four million, three hundred twenty-seven thousand, six hundred sixty-one".