50505445 has 8 divisors (see below), whose sum is σ = 60650136. Its totient is φ = 40375296.

The previous prime is 50505431. The next prime is 50505451. The reversal of 50505445 is 54450505.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 46253601 = 2062^2 + 6801^2 .

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 50505445 - 2²⁵ = 16951013 is a prime.

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, 6669 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (7581267).

Almost surely, 2^50505445 is an apocalyptic number.

It is an amenable number.

50505445 is a deficient number, since it is larger than the sum of its proper divisors (10144691).

50505445 is a wasteful number, since it uses less digits than its factorization.

50505445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 50505445 is about 7106.7183003127. The cubic root of 50505445 is about 369.6403737254.

The spelling of 50505445 in words is "fifty million, five hundred five thousand, four hundred forty-five".