50455736661 has 16 divisors (see below), whose sum is σ = 73814391360. Its totient is φ = 30402472320.

The previous prime is 50455736647. The next prime is 50455736677. The reversal of 50455736661 is 16663755405.

It is not a de Polignac number, because 50455736661 - 2¹⁴ = 50455720277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50455736661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50455736641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4413256 + ... + 4424673.

It is an arithmetic number, because the mean of its divisors is an integer number (4613399460).

Almost surely, 2^50455736661 is an apocalyptic number.

It is an amenable number.

50455736661 is a deficient number, since it is larger than the sum of its proper divisors (23358654699).

50455736661 is a wasteful number, since it uses less digits than its factorization.

50455736661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838116.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 50455736661 in words is "fifty billion, four hundred fifty-five million, seven hundred thirty-six thousand, six hundred sixty-one".