50621322349 has 4 divisors (see below), whose sum is σ = 54515270236. Its totient is φ = 46727374464.

The previous prime is 50621322329. The next prime is 50621322361. The reversal of 50621322349 is 94322312605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12475326249 + 38145996100 = 111693^2 + 195310^2 .

It is a cyclic number.

It is not a de Polignac number, because 50621322349 - 2⁷ = 50621322221 is a prime.

It is a super-2 number, since 2×50621322349² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621322329) 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, 1946973924 + ... + 1946973949.

It is an arithmetic number, because the mean of its divisors is an integer number (13628817559).

Almost surely, 2^50621322349 is an apocalyptic number.

It is an amenable number.

50621322349 is a deficient number, since it is larger than the sum of its proper divisors (3893947887).

50621322349 is a wasteful number, since it uses less digits than its factorization.

50621322349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893947886.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 50621322349 in words is "fifty billion, six hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-nine".