50969966 has 4 divisors (see below), whose sum is σ = 76454952. Its totient is φ = 25484982.

The previous prime is 50969957. The next prime is 50969969. The reversal of 50969966 is 66996905.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50969969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12742490 + ... + 12742493.

It is an arithmetic number, because the mean of its divisors is an integer number (19113738).

Almost surely, 2^50969966 is an apocalyptic number.

50969966 is a deficient number, since it is larger than the sum of its proper divisors (25484986).

50969966 is a wasteful number, since it uses less digits than its factorization.

50969966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25484985.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 50969966 is about 7139.3253182636. The cubic root of 50969966 is about 370.7701659131.

The spelling of 50969966 in words is "fifty million, nine hundred sixty-nine thousand, nine hundred sixty-six".