50552121505 has 4 divisors (see below), whose sum is σ = 60662545812. Its totient is φ = 40441697200.

The previous prime is 50552121443. The next prime is 50552121511. The reversal of 50552121505 is 50512125505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40300964001 + 10251157504 = 200751^2 + 101248^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50552121505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055212146 + ... + 5055212155.

It is an arithmetic number, because the mean of its divisors is an integer number (15165636453).

Almost surely, 2^50552121505 is an apocalyptic number.

It is an amenable number.

50552121505 is a deficient number, since it is larger than the sum of its proper divisors (10110424307).

50552121505 is a wasteful number, since it uses less digits than its factorization.

50552121505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110424306.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 50552121505 in words is "fifty billion, five hundred fifty-two million, one hundred twenty-one thousand, five hundred five".