50510615501009 has 4 divisors (see below), whose sum is σ = 50510710113204. Its totient is φ = 50510520888816.

The previous prime is 50510615500997. The next prime is 50510615501033. The reversal of 50510615501009 is 90010551601505.

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 22996551702784 + 27514063798225 = 4795472^2 + 5245385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50510615501009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50510615501039) 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, 46500722 + ... + 47574555.

It is an arithmetic number, because the mean of its divisors is an integer number (12627677528301).

Almost surely, 2^{50510615501009} is an apocalyptic number.

It is an amenable number.

50510615501009 is a deficient number, since it is larger than the sum of its proper divisors (94612195).

50510615501009 is an equidigital number, since it uses as much as digits as its factorization.

50510615501009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94612194.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 50510615501009 in words is "fifty trillion, five hundred ten billion, six hundred fifteen million, five hundred one thousand, nine".