52138965074 has 32 divisors (see below), whose sum is σ = 91321655040. Its totient is φ = 21862481472.

The previous prime is 52138965059. The next prime is 52138965097. The reversal of 52138965074 is 47056983125.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 168512 + ... + 364244.

It is an arithmetic number, because the mean of its divisors is an integer number (2853801720).

It is a 1-persistent number, because it is pandigital, but 2⋅52138965074 = 104277930148 is not.

Almost surely, 2^52138965074 is an apocalyptic number.

52138965074 is a deficient number, since it is larger than the sum of its proper divisors (39182689966).

52138965074 is a wasteful number, since it uses less digits than its factorization.

52138965074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196154.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 52138965074 in words is "fifty-two billion, one hundred thirty-eight million, nine hundred sixty-five thousand, seventy-four".