50136929 has 4 divisors (see below), whose sum is σ = 50179476. Its totient is φ = 50094384.

The previous prime is 50136913. The next prime is 50136959. The reversal of 50136929 is 92963105.

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 24482704 + 25654225 = 4948^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 50136929 - 2⁴ = 50136913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50136959) 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, 19454 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (12544869).

Almost surely, 2^50136929 is an apocalyptic number.

It is an amenable number.

50136929 is a deficient number, since it is larger than the sum of its proper divisors (42547).

50136929 is a wasteful number, since it uses less digits than its factorization.

50136929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42546.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 50136929 is about 7080.7435344037. The cubic root of 50136929 is about 368.7391438344.

The spelling of 50136929 in words is "fifty million, one hundred thirty-six thousand, nine hundred twenty-nine".