50909545 has 4 divisors (see below), whose sum is σ = 61091460. Its totient is φ = 40727632.

The previous prime is 50909527. The next prime is 50909567. The reversal of 50909545 is 54590905.

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 13111641 + 37797904 = 3621^2 + 6148^2 .

It is a cyclic number.

It is not a de Polignac number, because 50909545 - 2¹³ = 50901353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090950 + ... + 5090959.

It is an arithmetic number, because the mean of its divisors is an integer number (15272865).

Almost surely, 2^50909545 is an apocalyptic number.

It is an amenable number.

50909545 is a deficient number, since it is larger than the sum of its proper divisors (10181915).

50909545 is a wasteful number, since it uses less digits than its factorization.

50909545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181914.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 50909545 is about 7135.0925011523. The cubic root of 50909545 is about 370.6236014174.

The spelling of 50909545 in words is "fifty million, nine hundred nine thousand, five hundred forty-five".