50351135245221 has 32 divisors (see below), whose sum is σ = 71132913331200. Its totient is φ = 31571117530880.

The previous prime is 50351135245217. The next prime is 50351135245259. The reversal of 50351135245221 is 12254253115305.

It is not a de Polignac number, because 50351135245221 - 2² = 50351135245217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50351135245221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50351135241221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464615440 + ... + 464723798.

It is an arithmetic number, because the mean of its divisors is an integer number (2222903541600).

Almost surely, 2^{50351135245221} is an apocalyptic number.

50351135245221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50351135245221 is a deficient number, since it is larger than the sum of its proper divisors (20781778085979).

50351135245221 is a wasteful number, since it uses less digits than its factorization.

50351135245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114569.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 50351135245221 in words is "fifty trillion, three hundred fifty-one billion, one hundred thirty-five million, two hundred forty-five thousand, two hundred twenty-one".