50381605 has 8 divisors (see below), whose sum is σ = 62092152. Its totient is φ = 39215808.

The previous prime is 50381599. The next prime is 50381629. The reversal of 50381605 is 50618305.

It is a Cunningham number, because it is equal to 7098²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4778596 + 45603009 = 2186^2 + 6753^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50381605 - 2¹³ = 50373413 is a prime.

It is a super-2 number, since 2×50381605² = 5076612244752050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135982 + ... + 136351.

It is an arithmetic number, because the mean of its divisors is an integer number (7761519).

Almost surely, 2^50381605 is an apocalyptic number.

It is an amenable number.

50381605 is a deficient number, since it is larger than the sum of its proper divisors (11710547).

50381605 is a wasteful number, since it uses less digits than its factorization.

50381605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272375.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50381605 is about 7098.0000704424. Note that the first 4 decimals coincide. The cubic root of 50381605 is about 369.3380054719.

The spelling of 50381605 in words is "fifty million, three hundred eighty-one thousand, six hundred five".