50820545 has 4 divisors (see below), whose sum is σ = 60984660. Its totient is φ = 40656432.

The previous prime is 50820541. The next prime is 50820551. The reversal of 50820545 is 54502805.

50820545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16516096 + 34304449 = 4064^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 50820545 - 2² = 50820541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50820541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082050 + ... + 5082059.

It is an arithmetic number, because the mean of its divisors is an integer number (15246165).

Almost surely, 2^50820545 is an apocalyptic number.

It is an amenable number.

50820545 is a deficient number, since it is larger than the sum of its proper divisors (10164115).

50820545 is a wasteful number, since it uses less digits than its factorization.

50820545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164114.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 50820545 is about 7128.8529932942. The cubic root of 50820545 is about 370.4075008744.

The spelling of 50820545 in words is "fifty million, eight hundred twenty thousand, five hundred forty-five".