50143249 has 8 divisors (see below), whose sum is σ = 54066600. Its totient is φ = 46229376.

The previous prime is 50143237. The next prime is 50143259. The reversal of 50143249 is 94234105.

It can be written as a sum of positive squares in 4 ways, for example, as 15745024 + 34398225 = 3968^2 + 5865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50143249 - 2¹⁵ = 50110481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50143229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11799 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (6758325).

Almost surely, 2^50143249 is an apocalyptic number.

It is an amenable number.

50143249 is a deficient number, since it is larger than the sum of its proper divisors (3923351).

50143249 is a wasteful number, since it uses less digits than its factorization.

50143249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 50143249 is about 7081.1898011563. The cubic root of 50143249 is about 368.7546369617.

The spelling of 50143249 in words is "fifty million, one hundred forty-three thousand, two hundred forty-nine".