47054173 has 4 divisors (see below), whose sum is σ = 47099260. Its totient is φ = 47009088.

The previous prime is 47054143. The next prime is 47054177. The reversal of 47054173 is 37145074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37145074 = 2 ⋅18572537.

It can be written as a sum of positive squares in 2 ways, for example, as 30063289 + 16990884 = 5483^2 + 4122^2 .

It is a cyclic number.

It is not a de Polignac number, because 47054173 - 2¹⁷ = 46923101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47054177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20940 + ... + 23077.

It is an arithmetic number, because the mean of its divisors is an integer number (11774815).

Almost surely, 2^47054173 is an apocalyptic number.

It is an amenable number.

47054173 is a deficient number, since it is larger than the sum of its proper divisors (45087).

47054173 is a wasteful number, since it uses less digits than its factorization.

47054173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45086.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47054173 is about 6859.6044346595. The cubic root of 47054173 is about 361.0212079222.

Subtracting from 47054173 its reverse (37145074), we obtain a palindrome (9909099).

The spelling of 47054173 in words is "forty-seven million, fifty-four thousand, one hundred seventy-three".