50149805 has 8 divisors (see below), whose sum is σ = 60218232. Its totient is φ = 40094208.

The previous prime is 50149777. The next prime is 50149817. The reversal of 50149805 is 50894105.

It can be written as a sum of positive squares in 4 ways, for example, as 8185321 + 41964484 = 2861^2 + 6478^2 .

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 50149805 - 2⁶ = 50149741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11717 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (7527279).

Almost surely, 2^50149805 is an apocalyptic number.

It is an amenable number.

50149805 is a deficient number, since it is larger than the sum of its proper divisors (10068427).

50149805 is a wasteful number, since it uses less digits than its factorization.

50149805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 50149805 is about 7081.6527025829. The cubic root of 50149805 is about 368.7707072543.

The spelling of 50149805 in words is "fifty million, one hundred forty-nine thousand, eight hundred five".