55571117 has 8 divisors (see below), whose sum is σ = 63995712. Its totient is φ = 47268000.

The previous prime is 55571107. The next prime is 55571119. The reversal of 55571117 is 71117555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55571117 - 2¹⁶ = 55505581 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 (55571119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29384 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (7999464).

Almost surely, 2^55571117 is an apocalyptic number.

It is an amenable number.

55571117 is a deficient number, since it is larger than the sum of its proper divisors (8424595).

55571117 is a wasteful number, since it uses less digits than its factorization.

55571117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60739.

The product of its digits is 6125, while the sum is 32.

The square root of 55571117 is about 7454.6037453375. The cubic root of 55571117 is about 381.6070376727.

The spelling of 55571117 in words is "fifty-five million, five hundred seventy-one thousand, one hundred seventeen".