55427117 has 8 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 54878400.

The previous prime is 55427093. The next prime is 55427159. The reversal of 55427117 is 71172455.

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 55427117 - 2¹⁰ = 55426093 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 (55427167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89234 + ... + 89852.

It is an arithmetic number, because the mean of its divisors is an integer number (6997320).

Almost surely, 2^55427117 is an apocalyptic number.

It is an amenable number.

55427117 is a deficient number, since it is larger than the sum of its proper divisors (551443).

55427117 is a wasteful number, since it uses less digits than its factorization.

55427117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 9800, while the sum is 32.

The square root of 55427117 is about 7444.9390192264. The cubic root of 55427117 is about 381.2771364004.

The spelling of 55427117 in words is "fifty-five million, four hundred twenty-seven thousand, one hundred seventeen".