50505555100061 has 4 divisors (see below), whose sum is σ = 50505881503392. Its totient is φ = 50505228696732.

The previous prime is 50505555100031. The next prime is 50505555100073. The reversal of 50505555100061 is 16000155550505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50505555100061 - 2¹⁴ = 50505555083677 is a prime.

It is a super-2 number, since 2×50505555100061² (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 = 50505555099988 and 50505555100024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505555100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162969455 + ... + 163279068.

It is an arithmetic number, because the mean of its divisors is an integer number (12626470375848).

Almost surely, 2^{50505555100061} is an apocalyptic number.

It is an amenable number.

50505555100061 is a deficient number, since it is larger than the sum of its proper divisors (326403331).

50505555100061 is a wasteful number, since it uses less digits than its factorization.

50505555100061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326403330.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 50505555100061 in words is "fifty trillion, five hundred five billion, five hundred fifty-five million, one hundred thousand, sixty-one".