50215217221701 has 64 divisors (see below), whose sum is σ = 90220694630400. Its totient is φ = 26981626212288.

The previous prime is 50215217221651. The next prime is 50215217221709. The reversal of 50215217221701 is 10712271251205.

50215217221701 is a `hidden beast` number, since 5 + 0 + 215 + 217 + 221 + 7 + 0 + 1 = 666.

It is not a de Polignac number, because 50215217221701 - 2³³ = 50206627287109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215217221709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97639246 + ... + 98152191.

It is an arithmetic number, because the mean of its divisors is an integer number (1409698353600).

Almost surely, 2^{50215217221701} is an apocalyptic number.

It is an amenable number.

50215217221701 is a deficient number, since it is larger than the sum of its proper divisors (40005477408699).

50215217221701 is a wasteful number, since it uses less digits than its factorization.

50215217221701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195791535 (or 195791529 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

Adding to 50215217221701 its reverse (10712271251205), we get a palindrome (60927488472906).

The spelling of 50215217221701 in words is "fifty trillion, two hundred fifteen billion, two hundred seventeen million, two hundred twenty-one thousand, seven hundred one".