55056717 has 12 divisors (see below), whose sum is σ = 79726140. Its totient is φ = 36612288.

The previous prime is 55056689. The next prime is 55056767. The reversal of 55056717 is 71765055.

It can be written as a sum of positive squares in 2 ways, for example, as 33767721 + 21288996 = 5811^2 + 4614^2 .

It is not a de Polignac number, because 55056717 - 2⁶ = 55056653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3798 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (6643845).

Almost surely, 2^55056717 is an apocalyptic number.

It is an amenable number.

55056717 is a deficient number, since it is larger than the sum of its proper divisors (24669423).

55056717 is a wasteful number, since it uses less digits than its factorization.

55056717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15372 (or 15369 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55056717 is about 7420.0213611552. The cubic root of 55056717 is about 380.4259236248.

The spelling of 55056717 in words is "fifty-five million, fifty-six thousand, seven hundred seventeen".