50432139 has 10 divisors (see below), whose sum is σ = 75337020. Its totient is φ = 33621372.

The previous prime is 50432111. The next prime is 50432141. The reversal of 50432139 is 93123405.

It is not a de Polignac number, because 50432139 - 2⁸ = 50431883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50432539) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 311229 + ... + 311390.

It is an arithmetic number, because the mean of its divisors is an integer number (7533702).

Almost surely, 2^50432139 is an apocalyptic number.

50432139 is a deficient number, since it is larger than the sum of its proper divisors (24904881).

50432139 is an equidigital number, since it uses as much as digits as its factorization.

50432139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622631 (or 622622 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 50432139 is about 7101.5589133654. The cubic root of 50432139 is about 369.4614492702.

The spelling of 50432139 in words is "fifty million, four hundred thirty-two thousand, one hundred thirty-nine".