50505803 has 4 divisors (see below), whose sum is σ = 50521008. Its totient is φ = 50490600.

The previous prime is 50505799. The next prime is 50505817. The reversal of 50505803 is 30850505.

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 50505803 - 2² = 50505799 is a prime.

It is a super-2 number, since 2×50505803² = 5101672273349618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505823) 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, 248 + ... + 10053.

It is an arithmetic number, because the mean of its divisors is an integer number (12630252).

Almost surely, 2^50505803 is an apocalyptic number.

50505803 is a deficient number, since it is larger than the sum of its proper divisors (15205).

50505803 is a wasteful number, since it uses less digits than its factorization.

50505803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 50505803 is about 7106.7434877024. The cubic root of 50505803 is about 369.6412471028.

The spelling of 50505803 in words is "fifty million, five hundred five thousand, eight hundred three".