50887469845 has 4 divisors (see below), whose sum is σ = 61064963820. Its totient is φ = 40709975872.

The previous prime is 50887469819. The next prime is 50887469861. The reversal of 50887469845 is 54896478805.

It is a happy number.

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 5906998449 + 44980471396 = 76857^2 + 212086^2 .

It is a cyclic number.

It is not a de Polignac number, because 50887469845 - 2²¹ = 50885372693 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5088746980 + ... + 5088746989.

It is an arithmetic number, because the mean of its divisors is an integer number (15266240955).

Almost surely, 2^50887469845 is an apocalyptic number.

It is an amenable number.

50887469845 is a deficient number, since it is larger than the sum of its proper divisors (10177493975).

50887469845 is a wasteful number, since it uses less digits than its factorization.

50887469845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177493974.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 50887469845 in words is "fifty billion, eight hundred eighty-seven million, four hundred sixty-nine thousand, eight hundred forty-five".