50890802820841 has 27 divisors (see below), whose sum is σ = 52301167764741. Its totient is φ = 49518242339904.

The previous prime is 50890802820779. The next prime is 50890802820881. The reversal of 50890802820841 is 14802820809805.

The square root of 50890802820841 is 7133779.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5523303729241 + 45367499091600 = 2350171^2 + 6735540^2 .

It is not a de Polignac number, because 50890802820841 - 2²¹ = 50890800723689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50890802820881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41140502875 + ... + 41140504111.

It is an arithmetic number, because the mean of its divisors is an integer number (1937080287583).

Almost surely, 2^{50890802820841} is an apocalyptic number.

50890802820841 is the 7133779-th square number.

50890802820841 is the 3566890-th centered octagonal number.

It is an amenable number.

50890802820841 is a deficient number, since it is larger than the sum of its proper divisors (1410364943900).

50890802820841 is an frugal number, since it uses more digits than its factorization.

50890802820841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 50890802820841 in words is "fifty trillion, eight hundred ninety billion, eight hundred two million, eight hundred twenty thousand, eight hundred forty-one".