54565477 has 2 divisors, whose sum is σ = 54565478. Its totient is φ = 54565476.

The previous prime is 54565471. The next prime is 54565481. The reversal of 54565477 is 77456545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53012961 + 1552516 = 7281^2 + 1246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54565477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54565471) 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, 27282738 + 27282739.

It is an arithmetic number, because the mean of its divisors is an integer number (27282739).

Almost surely, 2^54565477 is an apocalyptic number.

It is an amenable number.

54565477 is a deficient number, since it is larger than the sum of its proper divisors (1).

54565477 is an equidigital number, since it uses as much as digits as its factorization.

54565477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588000, while the sum is 43.

The square root of 54565477 is about 7386.8448609674. The cubic root of 54565477 is about 379.2910998646.

The spelling of 54565477 in words is "fifty-four million, five hundred sixty-five thousand, four hundred seventy-seven".