50217245 has 8 divisors (see below), whose sum is σ = 64896216. Its totient is φ = 37083456.

The previous prime is 50217239. The next prime is 50217253. The reversal of 50217245 is 54271205.

It can be written as a sum of positive squares in 4 ways, for example, as 458329 + 49758916 = 677^2 + 7054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50217245 - 2⁸ = 50216989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386222 + ... + 386351.

It is an arithmetic number, because the mean of its divisors is an integer number (8112027).

Almost surely, 2^50217245 is an apocalyptic number.

It is an amenable number.

50217245 is a deficient number, since it is larger than the sum of its proper divisors (14678971).

50217245 is a wasteful number, since it uses less digits than its factorization.

50217245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772591.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 50217245 is about 7086.4127031948. The cubic root of 50217245 is about 368.9359372534.

The spelling of 50217245 in words is "fifty million, two hundred seventeen thousand, two hundred forty-five".