54539773 has 2 divisors, whose sum is σ = 54539774. Its totient is φ = 54539772.

The previous prime is 54539713. The next prime is 54539827. The reversal of 54539773 is 37793545.

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., 34082244 + 20457529 = 5838^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 54539773 - 2¹⁷ = 54408701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54539713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269886 + 27269887.

It is an arithmetic number, because the mean of its divisors is an integer number (27269887).

Almost surely, 2^54539773 is an apocalyptic number.

It is an amenable number.

54539773 is a deficient number, since it is larger than the sum of its proper divisors (1).

54539773 is an equidigital number, since it uses as much as digits as its factorization.

54539773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 43.

The square root of 54539773 is about 7385.1048062976. The cubic root of 54539773 is about 379.2315333265.

The spelling of 54539773 in words is "fifty-four million, five hundred thirty-nine thousand, seven hundred seventy-three".