50501000050513 has 4 divisors (see below), whose sum is σ = 50502502330020. Its totient is φ = 50499497771008.

The previous prime is 50501000050511. The next prime is 50501000050517. The reversal of 50501000050513 is 31505000010505.

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 2375812228689 + 48125187821824 = 1541367^2 + 6937232^2 .

It is a cyclic number.

It is not a de Polignac number, because 50501000050513 - 2¹ = 50501000050511 is a prime.

It is a super-2 number, since 2×50501000050513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50501000050511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751089328 + ... + 751156561.

It is an arithmetic number, because the mean of its divisors is an integer number (12625625582505).

Almost surely, 2^{50501000050513} is an apocalyptic number.

It is an amenable number.

50501000050513 is a deficient number, since it is larger than the sum of its proper divisors (1502279507).

50501000050513 is a wasteful number, since it uses less digits than its factorization.

50501000050513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502279506.

The product of its (nonzero) digits is 1875, while the sum is 25.

The spelling of 50501000050513 in words is "fifty trillion, five hundred one billion, fifty thousand, five hundred thirteen".