55171314 has 64 divisors (see below), whose sum is σ = 134628480. Its totient is φ = 16608960.

The previous prime is 55171301. The next prime is 55171321. The reversal of 55171314 is 41317155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173884 + ... + 174200.

It is an arithmetic number, because the mean of its divisors is an integer number (2103570).

Almost surely, 2^55171314 is an apocalyptic number.

55171314 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55171314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67314240).

55171314 is an abundant number, since it is smaller than the sum of its proper divisors (79457166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55171314 is a wasteful number, since it uses less digits than its factorization.

55171314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 55171314 is about 7427.7394946242. The cubic root of 55171314 is about 380.6896847042.

Adding to 55171314 its reverse (41317155), we get a palindrome (96488469).

The spelling of 55171314 in words is "fifty-five million, one hundred seventy-one thousand, three hundred fourteen".