50431146661 has 8 divisors (see below), whose sum is σ = 58089420800. Its totient is φ = 42886328688.

The previous prime is 50431146643. The next prime is 50431146679. The reversal of 50431146661 is 16664113405.

It is an interprime number because it is at equal distance from previous prime (50431146643) and next prime (50431146679).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50431146661 - 2⁷ = 50431146533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50431146661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50431144661) 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 7 ways as a sum of consecutive naturals, for example, 28363086 + ... + 28364863.

It is an arithmetic number, because the mean of its divisors is an integer number (7261177600).

Almost surely, 2^50431146661 is an apocalyptic number.

It is an amenable number.

50431146661 is a deficient number, since it is larger than the sum of its proper divisors (7658274139).

50431146661 is a wasteful number, since it uses less digits than its factorization.

50431146661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56728083.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 50431146661 in words is "fifty billion, four hundred thirty-one million, one hundred forty-six thousand, six hundred sixty-one".