50149729 has 24 divisors (see below), whose sum is σ = 62112960. Its totient is φ = 39613728.

The previous prime is 50149727. The next prime is 50149741. The reversal of 50149729 is 92794105.

It is not a de Polignac number, because 50149729 - 2¹ = 50149727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50149727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107154 + ... + 107620.

It is an arithmetic number, because the mean of its divisors is an integer number (2588040).

Almost surely, 2^50149729 is an apocalyptic number.

It is an amenable number.

50149729 is a deficient number, since it is larger than the sum of its proper divisors (11963231).

50149729 is a wasteful number, since it uses less digits than its factorization.

50149729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 50149729 is about 7081.6473366018. The cubic root of 50149729 is about 368.7705209685.

The spelling of 50149729 in words is "fifty million, one hundred forty-nine thousand, seven hundred twenty-nine".