50565290 has 8 divisors (see below), whose sum is σ = 91017540. Its totient is φ = 20226112.

The previous prime is 50565283. The next prime is 50565331. The reversal of 50565290 is 9256505.

It can be written as a sum of positive squares in 2 ways, for example, as 46226401 + 4338889 = 6799^2 + 2083^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528255 + ... + 2528274.

Almost surely, 2^50565290 is an apocalyptic number.

50565290 is a deficient number, since it is larger than the sum of its proper divisors (40452250).

50565290 is a wasteful number, since it uses less digits than its factorization.

50565290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056536.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 50565290 is about 7110.9275063103. The cubic root of 50565290 is about 369.7863144033.

The spelling of 50565290 in words is "fifty million, five hundred sixty-five thousand, two hundred ninety".