50190143 has 4 divisors (see below), whose sum is σ = 50220528. Its totient is φ = 50159760.

The previous prime is 50190139. The next prime is 50190157. The reversal of 50190143 is 34109105.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50190143 - 2² = 50190139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50190743) 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, 12563 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (12555132).

Almost surely, 2^50190143 is an apocalyptic number.

50190143 is a deficient number, since it is larger than the sum of its proper divisors (30385).

50190143 is a wasteful number, since it uses less digits than its factorization.

50190143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30384.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 50190143 is about 7084.5001940857. The cubic root of 50190143 is about 368.8695543399.

Adding to 50190143 its reverse (34109105), we get a palindrome (84299248).

The spelling of 50190143 in words is "fifty million, one hundred ninety thousand, one hundred forty-three".