50766439 has 4 divisors (see below), whose sum is σ = 51846624. Its totient is φ = 49686256.

The previous prime is 50766431. The next prime is 50766467. The reversal of 50766439 is 93466705.

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 50766439 - 2³ = 50766431 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 (50766431) 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, 540022 + ... + 540115.

It is an arithmetic number, because the mean of its divisors is an integer number (12961656).

Almost surely, 2^50766439 is an apocalyptic number.

50766439 is a deficient number, since it is larger than the sum of its proper divisors (1080185).

50766439 is a wasteful number, since it uses less digits than its factorization.

50766439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080184.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 50766439 is about 7125.0571225780. The cubic root of 50766439 is about 370.2760029749.

The spelling of 50766439 in words is "fifty million, seven hundred sixty-six thousand, four hundred thirty-nine".