50545321 has 4 divisors (see below), whose sum is σ = 50690500. Its totient is φ = 50400144.

The previous prime is 50545303. The next prime is 50545331. The reversal of 50545321 is 12354505.

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 23619600 + 26925721 = 4860^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 50545321 - 2⁷ = 50545193 is a prime.

It is a super-3 number, since 3×50545321³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50545331) 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, 72066 + ... + 72763.

It is an arithmetic number, because the mean of its divisors is an integer number (12672625).

Almost surely, 2^50545321 is an apocalyptic number.

It is an amenable number.

50545321 is a deficient number, since it is larger than the sum of its proper divisors (145179).

50545321 is a wasteful number, since it uses less digits than its factorization.

50545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145178.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50545321 is about 7109.5232610914. The cubic root of 50545321 is about 369.7376299192.

Adding to 50545321 its reverse (12354505), we get a palindrome (62899826).

The spelling of 50545321 in words is "fifty million, five hundred forty-five thousand, three hundred twenty-one".