50897566 has 4 divisors (see below), whose sum is σ = 76346352. Its totient is φ = 25448782.

The previous prime is 50897531. The next prime is 50897579. The reversal of 50897566 is 66579805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66579805 = 5 ⋅13315961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12724390 + ... + 12724393.

It is an arithmetic number, because the mean of its divisors is an integer number (19086588).

Almost surely, 2^50897566 is an apocalyptic number.

50897566 is a deficient number, since it is larger than the sum of its proper divisors (25448786).

50897566 is a wasteful number, since it uses less digits than its factorization.

50897566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448785.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 50897566 is about 7134.2530092505. The cubic root of 50897566 is about 370.5945299313.

The spelling of 50897566 in words is "fifty million, eight hundred ninety-seven thousand, five hundred sixty-six".