55199948 has 12 divisors (see below), whose sum is σ = 96654600. Its totient is φ = 27584352.

The previous prime is 55199927. The next prime is 55199957. The reversal of 55199948 is 84999155.

It is a junction number, because it is equal to n+sod(n) for n = 55199896 and 55199905.

It is an unprimeable number.

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, 8240 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (8054550).

Almost surely, 2^55199948 is an apocalyptic number.

It is an amenable number.

55199948 is a deficient number, since it is larger than the sum of its proper divisors (41454652).

55199948 is a wasteful number, since it uses less digits than its factorization.

55199948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816 (or 7814 counting only the distinct ones).

The product of its digits is 583200, while the sum is 50.

The square root of 55199948 is about 7429.6667489195. Note that the first 3 decimals coincide. The cubic root of 55199948 is about 380.7555328317.

The spelling of 55199948 in words is "fifty-five million, one hundred ninety-nine thousand, nine hundred forty-eight".