50505505251401 has 4 divisors (see below), whose sum is σ = 50646189110400. Its totient is φ = 50364821392404.

The previous prime is 50505505251343. The next prime is 50505505251419. The reversal of 50505505251401 is 10415250550505.

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 a de Polignac number, because none of the positive numbers 2^k-50505505251401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505505251101) 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, 70341928961 + ... + 70341929678.

It is an arithmetic number, because the mean of its divisors is an integer number (12661547277600).

Almost surely, 2^{50505505251401} is an apocalyptic number.

It is an amenable number.

50505505251401 is a deficient number, since it is larger than the sum of its proper divisors (140683858999).

50505505251401 is a wasteful number, since it uses less digits than its factorization.

50505505251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140683858998.

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 50505505251401 in words is "fifty trillion, five hundred five billion, five hundred five million, two hundred fifty-one thousand, four hundred one".