50307149 has 4 divisors (see below), whose sum is σ = 50486460. Its totient is φ = 50127840.

The previous prime is 50307143. The next prime is 50307163. The reversal of 50307149 is 94170305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 5175625 = 6718^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 50307149 - 2⁴ = 50307133 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 (50307143) 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, 89234 + ... + 89795.

It is an arithmetic number, because the mean of its divisors is an integer number (12621615).

Almost surely, 2^50307149 is an apocalyptic number.

It is an amenable number.

50307149 is a deficient number, since it is larger than the sum of its proper divisors (179311).

50307149 is a wasteful number, since it uses less digits than its factorization.

50307149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179310.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 50307149 is about 7092.7532735885. The cubic root of 50307149 is about 369.1559748262.

The spelling of 50307149 in words is "fifty million, three hundred seven thousand, one hundred forty-nine".