50143072 has 72 divisors (see below), whose sum is σ = 116262216. Its totient is φ = 21224448.

The previous prime is 50143063. The next prime is 50143099. The reversal of 50143072 is 27034105.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177043 + ... + 177325.

It is an arithmetic number, because the mean of its divisors is an integer number (1614753).

Almost surely, 2^50143072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50143072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58131108).

50143072 is an abundant number, since it is smaller than the sum of its proper divisors (66119144).

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

50143072 is a wasteful number, since it uses less digits than its factorization.

50143072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 50143072 is about 7081.1773032456. The cubic root of 50143072 is about 368.7542030738.

Adding to 50143072 its reverse (27034105), we get a palindrome (77177177).

The spelling of 50143072 in words is "fifty million, one hundred forty-three thousand, seventy-two".