47455688655475 has 48 divisors (see below), whose sum is σ = 59938189380000. Its totient is φ = 37261398988800.

The previous prime is 47455688655467. The next prime is 47455688655481. The reversal of 47455688655475 is 57455688655474.

It is not a de Polignac number, because 47455688655475 - 2³ = 47455688655467 is a prime.

It is a super-2 number, since 2×47455688655475² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47455688655395 and 47455688655404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3938552251 + ... + 3938564299.

It is an arithmetic number, because the mean of its divisors is an integer number (1248712278750).

Almost surely, 2^{47455688655475} is an apocalyptic number.

47455688655475 is a deficient number, since it is larger than the sum of its proper divisors (12482500724525).

47455688655475 is a wasteful number, since it uses less digits than its factorization.

47455688655475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16168 (or 16163 counting only the distinct ones).

The product of its digits is 22579200000, while the sum is 79.

Subtracting 47455688655475 from its reverse (57455688655474), we obtain a palindrome (9999999999999).

The spelling of 47455688655475 in words is "forty-seven trillion, four hundred fifty-five billion, six hundred eighty-eight million, six hundred fifty-five thousand, four hundred seventy-five".