50403565 has 8 divisors (see below), whose sum is σ = 61072128. Its totient is φ = 39930960.

The previous prime is 50403559. The next prime is 50403601. The reversal of 50403565 is 56530405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50403565 - 2²¹ = 48306413 is a prime.

It is a Duffinian 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, 48421 + ... + 49450.

It is an arithmetic number, because the mean of its divisors is an integer number (7634016).

Almost surely, 2^50403565 is an apocalyptic number.

It is an amenable number.

50403565 is a deficient number, since it is larger than the sum of its proper divisors (10668563).

50403565 is a wasteful number, since it uses less digits than its factorization.

50403565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97979.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 50403565 is about 7099.5468165229. The cubic root of 50403565 is about 369.3916592111.

It can be divided in two parts, 504035 and 65, that added together give a square (504100 = 710²).

The spelling of 50403565 in words is "fifty million, four hundred three thousand, five hundred sixty-five".