50516455501 has 4 divisors (see below), whose sum is σ = 50517588892. Its totient is φ = 50515322112.

The previous prime is 50516455481. The next prime is 50516455537. The reversal of 50516455501 is 10555461505.

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 19515810601 + 31000644900 = 139699^2 + 176070^2 .

It is a cyclic number.

It is not a de Polignac number, because 50516455501 - 2⁵ = 50516455469 is a prime.

It is a super-2 number, since 2×50516455501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50516459501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496980 + ... + 589933.

It is an arithmetic number, because the mean of its divisors is an integer number (12629397223).

Almost surely, 2^50516455501 is an apocalyptic number.

It is an amenable number.

50516455501 is a deficient number, since it is larger than the sum of its proper divisors (1133391).

50516455501 is a wasteful number, since it uses less digits than its factorization.

50516455501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133390.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 50516455501 in words is "fifty billion, five hundred sixteen million, four hundred fifty-five thousand, five hundred one".