55668117 has 4 divisors (see below), whose sum is σ = 74224160. Its totient is φ = 37112076.

The previous prime is 55668103. The next prime is 55668133. The reversal of 55668117 is 71186655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55668117 - 2¹⁴ = 55651733 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 (55668167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9278017 + ... + 9278022.

It is an arithmetic number, because the mean of its divisors is an integer number (18556040).

Almost surely, 2^55668117 is an apocalyptic number.

It is an amenable number.

55668117 is a deficient number, since it is larger than the sum of its proper divisors (18556043).

55668117 is a wasteful number, since it uses less digits than its factorization.

55668117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556042.

The product of its digits is 50400, while the sum is 39.

The square root of 55668117 is about 7461.1069554055. The cubic root of 55668117 is about 381.8289417139.

It can be divided in two parts, 55668 and 117, that multiplied together give a palindrome (6513156).

The spelling of 55668117 in words is "fifty-five million, six hundred sixty-eight thousand, one hundred seventeen".