55442648012 has 24 divisors (see below), whose sum is σ = 102774256704. Its totient is φ = 26079917312.

The previous prime is 55442647991. The next prime is 55442648099. The reversal of 55442648012 is 21084624455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 332994.

It is an arithmetic number, because the mean of its divisors is an integer number (4282260696).

Almost surely, 2^55442648012 is an apocalyptic number.

It is an amenable number.

55442648012 is a deficient number, since it is larger than the sum of its proper divisors (47331608692).

55442648012 is a wasteful number, since it uses less digits than its factorization.

55442648012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335665 (or 335663 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 55442648012 in words is "fifty-five billion, four hundred forty-two million, six hundred forty-eight thousand, twelve".