47128374550 has 48 divisors (see below), whose sum is σ = 90316531872. Its totient is φ = 18285113600.

The previous prime is 47128374547. The next prime is 47128374571. The reversal of 47128374550 is 5547382174.

It is a self number, because there is not a number n which added to its sum of digits gives 47128374550.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 288207 + ... + 421093.

It is an arithmetic number, because the mean of its divisors is an integer number (1881594414).

Almost surely, 2^47128374550 is an apocalyptic number.

47128374550 is a deficient number, since it is larger than the sum of its proper divisors (43188157322).

47128374550 is a wasteful number, since it uses less digits than its factorization.

47128374550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133113 (or 133108 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 47128374550 in words is "forty-seven billion, one hundred twenty-eight million, three hundred seventy-four thousand, five hundred fifty".