55171724 has 6 divisors (see below), whose sum is σ = 96550524. Its totient is φ = 27585860.

The previous prime is 55171679. The next prime is 55171747. The reversal of 55171724 is 42717155.

55171724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6896462 + ... + 6896469.

It is an arithmetic number, because the mean of its divisors is an integer number (16091754).

Almost surely, 2^55171724 is an apocalyptic number.

It is an amenable number.

55171724 is a deficient number, since it is larger than the sum of its proper divisors (41378800).

55171724 is a wasteful number, since it uses less digits than its factorization.

55171724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792935 (or 13792933 counting only the distinct ones).

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

The square root of 55171724 is about 7427.7670938176. The cubic root of 55171724 is about 380.6906277207.

Adding to 55171724 its reverse (42717155), we get a palindrome (97888879).

The spelling of 55171724 in words is "fifty-five million, one hundred seventy-one thousand, seven hundred twenty-four".