50391732 has 12 divisors (see below), whose sum is σ = 117580736. Its totient is φ = 16797240.

The previous prime is 50391727. The next prime is 50391739. The reversal of 50391732 is 23719305.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 50391732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50391739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099644 + ... + 2099667.

Almost surely, 2^50391732 is an apocalyptic number.

It is an amenable number.

50391732 is an abundant number, since it is smaller than the sum of its proper divisors (67189004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50391732 is a wasteful number, since it uses less digits than its factorization.

50391732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199318 (or 4199316 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 50391732 is about 7098.7134045544. The cubic root of 50391732 is about 369.3627501871.

It can be divided in two parts, 503 and 91732, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 50391732 in words is "fifty million, three hundred ninety-one thousand, seven hundred thirty-two".