47055173890 has 16 divisors (see below), whose sum is σ = 84707307000. Its totient is φ = 18820293120.

The previous prime is 47055173861. The next prime is 47055173899. The reversal of 47055173890 is 9837155074.

It is a happy number.

47055173890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45453813601 + 1601360289 = 213199^2 + 40017^2 .

It is not an unprimeable number, because it can be changed into a prime (47055173899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108015 + ... + 325234.

Almost surely, 2^47055173890 is an apocalyptic number.

47055173890 is a deficient number, since it is larger than the sum of its proper divisors (37652133110).

47055173890 is a wasteful number, since it uses less digits than its factorization.

47055173890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444117.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 47055173890 in words is "forty-seven billion, fifty-five million, one hundred seventy-three thousand, eight hundred ninety".