50381603 has 16 divisors (see below), whose sum is σ = 53698560. Its totient is φ = 47196000.

The previous prime is 50381599. The next prime is 50381629. The reversal of 50381603 is 30618305.

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

It is a cyclic number.

It is not a de Polignac number, because 50381603 - 2² = 50381599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50381633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219893 + ... + 220121.

It is an arithmetic number, because the mean of its divisors is an integer number (3356160).

Almost surely, 2^50381603 is an apocalyptic number.

50381603 is a deficient number, since it is larger than the sum of its proper divisors (3316957).

50381603 is a wasteful number, since it uses less digits than its factorization.

50381603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 50381603 is about 7097.9999295576. Note that the first 4 decimals coincide. The cubic root of 50381603 is about 369.3380005847.

Adding to 50381603 its reverse (30618305), we get a palindrome (80999908).

The spelling of 50381603 in words is "fifty million, three hundred eighty-one thousand, six hundred three".