55073773 has 2 divisors, whose sum is σ = 55073774. Its totient is φ = 55073772.

The previous prime is 55073747. The next prime is 55073803. The reversal of 55073773 is 37737055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44916804 + 10156969 = 6702^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 55073773 - 2⁹ = 55073261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55073713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27536886 + 27536887.

It is an arithmetic number, because the mean of its divisors is an integer number (27536887).

Almost surely, 2^55073773 is an apocalyptic number.

It is an amenable number.

55073773 is a deficient number, since it is larger than the sum of its proper divisors (1).

55073773 is an equidigital number, since it uses as much as digits as its factorization.

55073773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77175, while the sum is 37.

The square root of 55073773 is about 7421.1705949938. The cubic root of 55073773 is about 380.4652035710.

The spelling of 55073773 in words is "fifty-five million, seventy-three thousand, seven hundred seventy-three".