50955909 has 16 divisors (see below), whose sum is σ = 70379520. Its totient is φ = 32759280.

The previous prime is 50955901. The next prime is 50955913. The reversal of 50955909 is 90955905.

It is not a de Polignac number, because 50955909 - 2³ = 50955901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50955901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31482 + ... + 33060.

It is an arithmetic number, because the mean of its divisors is an integer number (4398720).

Almost surely, 2^50955909 is an apocalyptic number.

It is an amenable number.

50955909 is a deficient number, since it is larger than the sum of its proper divisors (19423611).

50955909 is a wasteful number, since it uses less digits than its factorization.

50955909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 91125, while the sum is 42.

The square root of 50955909 is about 7138.3407735972. The cubic root of 50955909 is about 370.7360778947.

The spelling of 50955909 in words is "fifty million, nine hundred fifty-five thousand, nine hundred nine".