55172024 has 16 divisors (see below), whose sum is σ = 104364720. Its totient is φ = 27341440.

The previous prime is 55172003. The next prime is 55172027. The reversal of 55172024 is 42027155.

It is a junction number, because it is equal to n+sod(n) for n = 55171984 and 55172002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55172027) 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, 29612 + ... + 31419.

It is an arithmetic number, because the mean of its divisors is an integer number (6522795).

Almost surely, 2^55172024 is an apocalyptic number.

It is an amenable number.

55172024 is a deficient number, since it is larger than the sum of its proper divisors (49192696).

55172024 is a wasteful number, since it uses less digits than its factorization.

55172024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61150 (or 61146 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 55172024 is about 7427.7872882844. The cubic root of 55172024 is about 380.6913177299.

Adding to 55172024 its reverse (42027155), we get a palindrome (97199179).

The spelling of 55172024 in words is "fifty-five million, one hundred seventy-two thousand, twenty-four".