55717055 has 4 divisors (see below), whose sum is σ = 66860472. Its totient is φ = 44573640.

The previous prime is 55717027. The next prime is 55717061. The reversal of 55717055 is 55071755.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55717055 - 2⁸ = 55716799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571701 + ... + 5571710.

It is an arithmetic number, because the mean of its divisors is an integer number (16715118).

Almost surely, 2^55717055 is an apocalyptic number.

55717055 is a deficient number, since it is larger than the sum of its proper divisors (11143417).

55717055 is a wasteful number, since it uses less digits than its factorization.

55717055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143416.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 55717055 is about 7464.3857751325. The cubic root of 55717055 is about 381.9407979122.

The spelling of 55717055 in words is "fifty-five million, seven hundred seventeen thousand, fifty-five".