50409936 has 60 divisors (see below), whose sum is σ = 141873732. Its totient is φ = 16708608.

The previous prime is 50409923. The next prime is 50409949. The reversal of 50409936 is 63990405.

It is an interprime number because it is at equal distance from previous prime (50409923) and next prime (50409949).

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 9960336 = 6360^2 + 3156^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50409936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27480 + ... + 29256.

Almost surely, 2^50409936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50409936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70936866).

50409936 is an abundant number, since it is smaller than the sum of its proper divisors (91463796).

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

50409936 is a wasteful number, since it uses less digits than its factorization.

50409936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 50409936 is about 7099.9954929563. The cubic root of 50409936 is about 369.4072222313.

The spelling of 50409936 in words is "fifty million, four hundred nine thousand, nine hundred thirty-six".