50667657015661 has 8 divisors (see below), whose sum is σ = 57905982333504. Its totient is φ = 43429353848160.

The previous prime is 50667657015637. The next prime is 50667657015697. The reversal of 50667657015661 is 16651075676605.

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

It is not a de Polignac number, because 50667657015661 - 2¹¹ = 50667657013613 is a prime.

It is a super-2 number, since 2×50667657015661² (a number of 28 digits) contains 22 as substring.

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 50667657015661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50667657015631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306475 + ... + 10071208.

It is an arithmetic number, because the mean of its divisors is an integer number (7238247791688).

Almost surely, 2^{50667657015661} is an apocalyptic number.

It is an amenable number.

50667657015661 is a deficient number, since it is larger than the sum of its proper divisors (7238325317843).

50667657015661 is a wasteful number, since it uses less digits than its factorization.

50667657015661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075171.

The product of its (nonzero) digits is 47628000, while the sum is 61.

The spelling of 50667657015661 in words is "fifty trillion, six hundred sixty-seven billion, six hundred fifty-seven million, fifteen thousand, six hundred sixty-one".