50897047 has 4 divisors (see below), whose sum is σ = 51031720. Its totient is φ = 50762376.

The previous prime is 50897023. The next prime is 50897057. The reversal of 50897047 is 74079805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50897047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50897017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66768 + ... + 67525.

It is an arithmetic number, because the mean of its divisors is an integer number (12757930).

Almost surely, 2^50897047 is an apocalyptic number.

50897047 is a deficient number, since it is larger than the sum of its proper divisors (134673).

50897047 is a wasteful number, since it uses less digits than its factorization.

50897047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134672.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 50897047 is about 7134.2166353427. The cubic root of 50897047 is about 370.5932702822.

The spelling of 50897047 in words is "fifty million, eight hundred ninety-seven thousand, forty-seven".