52158047638 has 16 divisors (see below), whose sum is σ = 82384423920. Its totient is φ = 24697560096.

The previous prime is 52158047609. The next prime is 52158047681. The reversal of 52158047638 is 83674085125.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52158047591 and 52158047600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139081 + ... + 351652.

It is an arithmetic number, because the mean of its divisors is an integer number (5149026495).

Almost surely, 2^52158047638 is an apocalyptic number.

52158047638 is a deficient number, since it is larger than the sum of its proper divisors (30226376282).

52158047638 is a wasteful number, since it uses less digits than its factorization.

52158047638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493551.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 52158047638 in words is "fifty-two billion, one hundred fifty-eight million, forty-seven thousand, six hundred thirty-eight".