52417317638 has 16 divisors (see below), whose sum is σ = 90328725504. Its totient is φ = 22346948040.

The previous prime is 52417317613. The next prime is 52417317647. The reversal of 52417317638 is 83671371425.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52417317592 and 52417317601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798620 + ... + 9803967.

It is an arithmetic number, because the mean of its divisors is an integer number (5645545344).

Almost surely, 2^52417317638 is an apocalyptic number.

52417317638 is a deficient number, since it is larger than the sum of its proper divisors (37911407866).

52417317638 is a wasteful number, since it uses less digits than its factorization.

52417317638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602787.

The product of its digits is 846720, while the sum is 47.

The spelling of 52417317638 in words is "fifty-two billion, four hundred seventeen million, three hundred seventeen thousand, six hundred thirty-eight".