50505550000051 has 8 divisors (see below), whose sum is σ = 50526107331984. Its totient is φ = 50484995940960.

The previous prime is 50505550000043. The next prime is 50505550000067. The reversal of 50505550000051 is 15000005550505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50505550000051 - 2³ = 50505550000043 is a prime.

It is a super-2 number, since 2×50505550000051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50505549999968 and 50505550000022.

It is not an unprimeable number, because it can be changed into a prime (50505550000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30291781 + ... + 31915561.

It is an arithmetic number, because the mean of its divisors is an integer number (6315763416498).

Almost surely, 2^{50505550000051} is an apocalyptic number.

50505550000051 is a deficient number, since it is larger than the sum of its proper divisors (20557331933).

50505550000051 is a wasteful number, since it uses less digits than its factorization.

50505550000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636421.

The product of its (nonzero) digits is 15625, while the sum is 31.

Adding to 50505550000051 its reverse (15000005550505), we get a palindrome (65505555550556).

The spelling of 50505550000051 in words is "fifty trillion, five hundred five billion, five hundred fifty million, fifty-one", and thus it is an aban number.