55001773 has 4 divisors (see below), whose sum is σ = 56280928. Its totient is φ = 53722620.

The previous prime is 55001761. The next prime is 55001819. The reversal of 55001773 is 37710055.

55001773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55001773 - 2⁵ = 55001741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639513 + ... + 639598.

It is an arithmetic number, because the mean of its divisors is an integer number (14070232).

Almost surely, 2^55001773 is an apocalyptic number.

It is an amenable number.

55001773 is a deficient number, since it is larger than the sum of its proper divisors (1279155).

55001773 is a wasteful number, since it uses less digits than its factorization.

55001773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279154.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55001773 is about 7416.3180217679. The cubic root of 55001773 is about 380.2993324775.

The spelling of 55001773 in words is "fifty-five million, one thousand, seven hundred seventy-three".