50172742 has 16 divisors (see below), whose sum is σ = 76976640. Its totient is φ = 24520392.

The previous prime is 50172739. The next prime is 50172743. The reversal of 50172742 is 24727105.

It is a self number, because there is not a number n which added to its sum of digits gives 50172742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14733 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (4811040).

Almost surely, 2^50172742 is an apocalyptic number.

50172742 is a deficient number, since it is larger than the sum of its proper divisors (26803898).

50172742 is a wasteful number, since it uses less digits than its factorization.

50172742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 50172742 is about 7083.2719840481. The cubic root of 50172742 is about 368.8269201979.

Adding to 50172742 its reverse (24727105), we get a palindrome (74899847).

The spelling of 50172742 in words is "fifty million, one hundred seventy-two thousand, seven hundred forty-two".