50212525513 has 4 divisors (see below), whose sum is σ = 51943991940. Its totient is φ = 48481059088.

The previous prime is 50212525501. The next prime is 50212525607. The reversal of 50212525513 is 31552521205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28780443904 + 21432081609 = 169648^2 + 146397^2 .

It is a cyclic number.

It is not a de Polignac number, because 50212525513 - 2³³ = 41622590921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50212525213) 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 3 ways as a sum of consecutive naturals, for example, 865733170 + ... + 865733227.

It is an arithmetic number, because the mean of its divisors is an integer number (12985997985).

Almost surely, 2^50212525513 is an apocalyptic number.

It is an amenable number.

50212525513 is a deficient number, since it is larger than the sum of its proper divisors (1731466427).

50212525513 is a wasteful number, since it uses less digits than its factorization.

50212525513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731466426.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 50212525513 in words is "fifty billion, two hundred twelve million, five hundred twenty-five thousand, five hundred thirteen".