50291266 has 4 divisors (see below), whose sum is σ = 75436902. Its totient is φ = 25145632.

The previous prime is 50291261. The next prime is 50291279. The reversal of 50291266 is 66219205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 10336225 = 6321^2 + 3215^2 .

It is a super-2 number, since 2×50291266² = 5058422871765512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (50291261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572815 + ... + 12572818.

Almost surely, 2^50291266 is an apocalyptic number.

50291266 is a deficient number, since it is larger than the sum of its proper divisors (25145636).

50291266 is a wasteful number, since it uses less digits than its factorization.

50291266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25145635.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 50291266 is about 7091.6335212700. The cubic root of 50291266 is about 369.1171206963.

The spelling of 50291266 in words is "fifty million, two hundred ninety-one thousand, two hundred sixty-six".