55352117 has 4 divisors (see below), whose sum is σ = 56178336. Its totient is φ = 54525900.

The previous prime is 55352107. The next prime is 55352123. The reversal of 55352117 is 71125355.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 55352117 - 2¹² = 55348021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55352117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55352107) 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, 413009 + ... + 413142.

It is an arithmetic number, because the mean of its divisors is an integer number (14044584).

Almost surely, 2^55352117 is an apocalyptic number.

It is an amenable number.

55352117 is a deficient number, since it is larger than the sum of its proper divisors (826219).

55352117 is an equidigital number, since it uses as much as digits as its factorization.

55352117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826218.

The product of its digits is 5250, while the sum is 29.

The square root of 55352117 is about 7439.9003353540. The cubic root of 55352117 is about 381.1050864821.

The spelling of 55352117 in words is "fifty-five million, three hundred fifty-two thousand, one hundred seventeen".