50136166525 has 12 divisors (see below), whose sum is σ = 62440333300. Its totient is φ = 39933780480.

The previous prime is 50136166519. The next prime is 50136166529. The reversal of 50136166525 is 52566163105.

It can be written as a sum of positive squares in 6 ways, for example, as 1212919929 + 48923246596 = 34827^2 + 221186^2 .

It is not a de Polignac number, because 50136166525 - 2³¹ = 47988682877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50136166529) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4372980 + ... + 4384429.

Almost surely, 2^50136166525 is an apocalyptic number.

It is an amenable number.

50136166525 is a deficient number, since it is larger than the sum of its proper divisors (12304166775).

50136166525 is a wasteful number, since it uses less digits than its factorization.

50136166525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757648 (or 8757643 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 50136166525 in words is "fifty billion, one hundred thirty-six million, one hundred sixty-six thousand, five hundred twenty-five".