50109129 has 24 divisors (see below), whose sum is σ = 85575360. Its totient is φ = 27645408.

The previous prime is 50109119. The next prime is 50109131. The reversal of 50109129 is 92190105.

It is a happy number.

It is not a de Polignac number, because 50109129 - 2⁷ = 50109001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50109119) 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, 11887 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (3565640).

Almost surely, 2^50109129 is an apocalyptic number.

It is an amenable number.

50109129 is a deficient number, since it is larger than the sum of its proper divisors (35466231).

50109129 is a wasteful number, since it uses less digits than its factorization.

50109129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27469 (or 27466 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 50109129 is about 7078.7801915302. The cubic root of 50109129 is about 368.6709782218.

The spelling of 50109129 in words is "fifty million, one hundred nine thousand, one hundred twenty-nine".