54770809 has 2 divisors, whose sum is σ = 54770810. Its totient is φ = 54770808.

The previous prime is 54770801. The next prime is 54770813. The reversal of 54770809 is 90807745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 1071225 = 7328^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 54770809 - 2³ = 54770801 is a prime.

It is not a weakly prime, because it can be changed into another prime (54770801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27385404 + 27385405.

It is an arithmetic number, because the mean of its divisors is an integer number (27385405).

Almost surely, 2^54770809 is an apocalyptic number.

It is an amenable number.

54770809 is a deficient number, since it is larger than the sum of its proper divisors (1).

54770809 is an equidigital number, since it uses as much as digits as its factorization.

54770809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 54770809 is about 7400.7303018013. The cubic root of 54770809 is about 379.7662666970.

The spelling of 54770809 in words is "fifty-four million, seven hundred seventy thousand, eight hundred nine".