54818773 has 2 divisors, whose sum is σ = 54818774. Its totient is φ = 54818772.

The previous prime is 54818767. The next prime is 54818783. The reversal of 54818773 is 37781845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40666129 + 14152644 = 6377^2 + 3762^2 .

It is a cyclic number.

It is not a de Polignac number, because 54818773 - 2²¹ = 52721621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54818723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27409386 + 27409387.

It is an arithmetic number, because the mean of its divisors is an integer number (27409387).

Almost surely, 2^54818773 is an apocalyptic number.

It is an amenable number.

54818773 is a deficient number, since it is larger than the sum of its proper divisors (1).

54818773 is an equidigital number, since it uses as much as digits as its factorization.

54818773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 43.

The square root of 54818773 is about 7403.9700836781. The cubic root of 54818773 is about 379.8770909055.

It can be divided in two parts, 548 and 18773, that added together give a square (19321 = 139²).

The spelling of 54818773 in words is "fifty-four million, eight hundred eighteen thousand, seven hundred seventy-three".