47556361775 has 48 divisors (see below), whose sum is σ = 65338005600. Its totient is φ = 34108853760.

The previous prime is 47556361759. The next prime is 47556361793. The reversal of 47556361775 is 57716365574.

It is a happy number.

It is not a de Polignac number, because 47556361775 - 2⁴ = 47556361759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47556361775.

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 47 ways as a sum of consecutive naturals, for example, 7440281 + ... + 7446669.

It is an arithmetic number, because the mean of its divisors is an integer number (1361208450).

Almost surely, 2^47556361775 is an apocalyptic number.

47556361775 is a deficient number, since it is larger than the sum of its proper divisors (17781643825).

47556361775 is a wasteful number, since it uses less digits than its factorization.

47556361775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 7063 counting only the distinct ones).

The product of its digits is 18522000, while the sum is 56.

The spelling of 47556361775 in words is "forty-seven billion, five hundred fifty-six million, three hundred sixty-one thousand, seven hundred seventy-five".