50109845 has 4 divisors (see below), whose sum is σ = 60131820. Its totient is φ = 40087872.

The previous prime is 50109841. The next prime is 50109869. The reversal of 50109845 is 54890105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54890105 = 5 ⋅10978021.

It can be written as a sum of positive squares in 2 ways, for example, as 28366276 + 21743569 = 5326^2 + 4663^2 .

It is a cyclic number.

It is not a de Polignac number, because 50109845 - 2² = 50109841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50109841) 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, 5010980 + ... + 5010989.

It is an arithmetic number, because the mean of its divisors is an integer number (15032955).

Almost surely, 2^50109845 is an apocalyptic number.

It is an amenable number.

50109845 is a deficient number, since it is larger than the sum of its proper divisors (10021975).

50109845 is a wasteful number, since it uses less digits than its factorization.

50109845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021974.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 50109845 is about 7078.8307650346. The cubic root of 50109845 is about 368.6727341704.

The spelling of 50109845 in words is "fifty million, one hundred nine thousand, eight hundred forty-five".