50136943 has 4 divisors (see below), whose sum is σ = 50279328. Its totient is φ = 49994560.

The previous prime is 50136913. The next prime is 50136959. The reversal of 50136943 is 34963105.

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 50136943 - 2⁹ = 50136431 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 (50136913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70663 + ... + 71368.

It is an arithmetic number, because the mean of its divisors is an integer number (12569832).

Almost surely, 2^50136943 is an apocalyptic number.

50136943 is a deficient number, since it is larger than the sum of its proper divisors (142385).

50136943 is a wasteful number, since it uses less digits than its factorization.

50136943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142384.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 50136943 is about 7080.7445230004. The cubic root of 50136943 is about 368.7391781560.

The spelling of 50136943 in words is "fifty million, one hundred thirty-six thousand, nine hundred forty-three".