50505561103401 has 20 divisors (see below), whose sum is σ = 75453609633732. Its totient is φ = 33667236400608.

The previous prime is 50505561103369. The next prime is 50505561103411. The reversal of 50505561103401 is 10430116550505.

50505561103401 is a `hidden beast` number, since 5 + 0 + 5 + 0 + 5 + 5 + 611 + 0 + 34 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24706516419225 + 25799044684176 = 4970565^2 + 5079276^2 .

It is not a de Polignac number, because 50505561103401 - 2⁵ = 50505561103369 is a prime.

It is a super-2 number, since 2×50505561103401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50505561103411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28177746 + ... + 29916491.

Almost surely, 2^{50505561103401} is an apocalyptic number.

It is an amenable number.

50505561103401 is a deficient number, since it is larger than the sum of its proper divisors (24948048530331).

50505561103401 is a wasteful number, since it uses less digits than its factorization.

50505561103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58104982 (or 58104973 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 50505561103401 its reverse (10430116550505), we get a palindrome (60935677653906).

The spelling of 50505561103401 in words is "fifty trillion, five hundred five billion, five hundred sixty-one million, one hundred three thousand, four hundred one".