50438404417 has 4 divisors (see below), whose sum is σ = 50440011220. Its totient is φ = 50436797616.

The previous prime is 50438404409. The next prime is 50438404421. The reversal of 50438404417 is 71440483405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7203935376 + 43234469041 = 84876^2 + 207929^2 .

It is a cyclic number.

It is not a de Polignac number, because 50438404417 - 2³ = 50438404409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50438404417.

It is not an unprimeable number, because it can be changed into a prime (50438404717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755358 + ... + 819415.

It is an arithmetic number, because the mean of its divisors is an integer number (12610002805).

Almost surely, 2^50438404417 is an apocalyptic number.

It is an amenable number.

50438404417 is a deficient number, since it is larger than the sum of its proper divisors (1606803).

50438404417 is a wasteful number, since it uses less digits than its factorization.

50438404417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606802.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 50438404417 in words is "fifty billion, four hundred thirty-eight million, four hundred four thousand, four hundred seventeen".