55171344 has 20 divisors (see below), whose sum is σ = 142526096. Its totient is φ = 18390432.

The previous prime is 55171339. The next prime is 55171349. The reversal of 55171344 is 44317155.

It is an interprime number because it is at equal distance from previous prime (55171339) and next prime (55171349).

It is not an unprimeable number, because it can be changed into a prime (55171349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574654 + ... + 574749.

Almost surely, 2^55171344 is an apocalyptic number.

It is an amenable number.

55171344 is an abundant number, since it is smaller than the sum of its proper divisors (87354752).

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

55171344 is a wasteful number, since it uses less digits than its factorization.

55171344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149414 (or 1149408 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 55171344 is about 7427.7415140808. The cubic root of 55171344 is about 380.6897537055.

Adding to 55171344 its reverse (44317155), we get a palindrome (99488499).

The spelling of 55171344 in words is "fifty-five million, one hundred seventy-one thousand, three hundred forty-four".