51550044244 has 12 divisors (see below), whose sum is σ = 92131994304. Its totient is φ = 25226617304.

The previous prime is 51550044209. The next prime is 51550044263. The reversal of 51550044244 is 44244005515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137100994 + ... + 137101369.

It is an arithmetic number, because the mean of its divisors is an integer number (7677666192).

Almost surely, 2^51550044244 is an apocalyptic number.

It is an amenable number.

51550044244 is a deficient number, since it is larger than the sum of its proper divisors (40581950060).

51550044244 is a wasteful number, since it uses less digits than its factorization.

51550044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274202414 (or 274202412 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 51550044244 its reverse (44244005515), we get a palindrome (95794049759).

The spelling of 51550044244 in words is "fifty-one billion, five hundred fifty million, forty-four thousand, two hundred forty-four".