55198924 has 24 divisors (see below), whose sum is σ = 106431696. Its totient is φ = 24840000.

The previous prime is 55198921. The next prime is 55198939. The reversal of 55198924 is 42989155.

It is not an unprimeable number, because it can be changed into a prime (55198921) 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 7 ways as a sum of consecutive naturals, for example, 1767 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (4434654).

Almost surely, 2^55198924 is an apocalyptic number.

It is an amenable number.

55198924 is a deficient number, since it is larger than the sum of its proper divisors (51232772).

55198924 is a wasteful number, since it uses less digits than its factorization.

55198924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537 (or 12535 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 55198924 is about 7429.5978356840. The cubic root of 55198924 is about 380.7531783845.

Multiplying 55198924 by its sum of digits (43), we get a palindrome (2373553732).

The spelling of 55198924 in words is "fifty-five million, one hundred ninety-eight thousand, nine hundred twenty-four".