55108773 has 24 divisors (see below), whose sum is σ = 82212000. Its totient is φ = 35554464.

The previous prime is 55108751. The next prime is 55108777. The reversal of 55108773 is 37780155.

It is not a de Polignac number, because 55108773 - 2⁸ = 55108517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55108777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34803 + ... + 36351.

It is an arithmetic number, because the mean of its divisors is an integer number (3425500).

Almost surely, 2^55108773 is an apocalyptic number.

It is an amenable number.

55108773 is a deficient number, since it is larger than the sum of its proper divisors (27103227).

55108773 is a wasteful number, since it uses less digits than its factorization.

55108773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 55108773 is about 7423.5283390043. The cubic root of 55108773 is about 380.5457831373.

The spelling of 55108773 in words is "fifty-five million, one hundred eight thousand, seven hundred seventy-three".