50640406 has 16 divisors (see below), whose sum is σ = 76871520. Its totient is φ = 25018560.

The previous prime is 50640397. The next prime is 50640413. The reversal of 50640406 is 60404605.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115135 + ... + 115573.

It is an arithmetic number, because the mean of its divisors is an integer number (4804470).

Almost surely, 2^50640406 is an apocalyptic number.

50640406 is a deficient number, since it is larger than the sum of its proper divisors (26231114).

50640406 is a wasteful number, since it uses less digits than its factorization.

50640406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 50640406 is about 7116.2072763516. The cubic root of 50640406 is about 369.9693327395.

The spelling of 50640406 in words is "fifty million, six hundred forty thousand, four hundred six".