50666615567 has 16 divisors (see below), whose sum is σ = 56523018240. Its totient is φ = 45170032512.

The previous prime is 50666615561. The next prime is 50666615569. The reversal of 50666615567 is 76551666605.

It is not a de Polignac number, because 50666615567 - 2²⁸ = 50398180111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50666615561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588767 + ... + 669312.

It is an arithmetic number, because the mean of its divisors is an integer number (3532688640).

Almost surely, 2^50666615567 is an apocalyptic number.

50666615567 is a deficient number, since it is larger than the sum of its proper divisors (5856402673).

50666615567 is a wasteful number, since it uses less digits than its factorization.

50666615567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258222.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 50666615567 in words is "fifty billion, six hundred sixty-six million, six hundred fifteen thousand, five hundred sixty-seven".