50505057 has 12 divisors (see below), whose sum is σ = 73092240. Its totient is φ = 33605208.

The previous prime is 50505053. The next prime is 50505067. The reversal of 50505057 is 75050505.

It is not a de Polignac number, because 50505057 - 2² = 50505053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50505057.

It is not an unprimeable number, because it can be changed into a prime (50505053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (6091020).

Almost surely, 2^50505057 is an apocalyptic number.

It is an amenable number.

50505057 is a deficient number, since it is larger than the sum of its proper divisors (22587183).

50505057 is a wasteful number, since it uses less digits than its factorization.

50505057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812 (or 10809 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 50505057 is about 7106.6910021472. The cubic root of 50505057 is about 369.6394271553.

The spelling of 50505057 in words is "fifty million, five hundred five thousand, fifty-seven".