50172122 has 64 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 17081280.

The previous prime is 50172121. The next prime is 50172149. The reversal of 50172122 is 22127105.

It is a junction number, because it is equal to n+sod(n) for n = 50172094 and 50172103.

It is not an unprimeable number, because it can be changed into a prime (50172121) 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, 37379 + ... + 38697.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^50172122 is an apocalyptic number.

50172122 is an abundant number, since it is smaller than the sum of its proper divisors (56272678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50172122 is a wasteful number, since it uses less digits than its factorization.

50172122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 50172122 is about 7083.2282188279. The cubic root of 50172122 is about 368.8254009558.

Adding to 50172122 its reverse (22127105), we get a palindrome (72299227).

The spelling of 50172122 in words is "fifty million, one hundred seventy-two thousand, one hundred twenty-two".