50646403 has 4 divisors (see below), whose sum is σ = 50829520. Its totient is φ = 50463288.

The previous prime is 50646397. The next prime is 50646413. The reversal of 50646403 is 30464605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50646403 - 2⁵ = 50646371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50646413) 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, 91143 + ... + 91696.

It is an arithmetic number, because the mean of its divisors is an integer number (12707380).

Almost surely, 2^50646403 is an apocalyptic number.

50646403 is a deficient number, since it is larger than the sum of its proper divisors (183117).

50646403 is a wasteful number, since it uses less digits than its factorization.

50646403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183116.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 50646403 is about 7116.6286259717. The cubic root of 50646403 is about 369.9839364830.

The spelling of 50646403 in words is "fifty million, six hundred forty-six thousand, four hundred three".