55005773 has 4 divisors (see below), whose sum is σ = 55106880. Its totient is φ = 54904668.

The previous prime is 55005763. The next prime is 55005793. The reversal of 55005773 is 37750055.

55005773 = 2² + 3² + ... + 548².

55005773 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 55005773 - 2¹² = 55001677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005763) 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, 49733 + ... + 50826.

It is an arithmetic number, because the mean of its divisors is an integer number (13776720).

Almost surely, 2^55005773 is an apocalyptic number.

It is an amenable number.

55005773 is a deficient number, since it is larger than the sum of its proper divisors (101107).

55005773 is a wasteful number, since it uses less digits than its factorization.

55005773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101106.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55005773 is about 7416.5876924634. The cubic root of 55005773 is about 380.3085513346.

The spelling of 55005773 in words is "fifty-five million, five thousand, seven hundred seventy-three".