50471893 has 4 divisors (see below), whose sum is σ = 50654380. Its totient is φ = 50289408.

The previous prime is 50471881. The next prime is 50471917. The reversal of 50471893 is 39817405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39817405 = 5 ⋅7963481.

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 42732369 = 2782^2 + 6537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50471893 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 (50471593) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 90828 + ... + 91381.

It is an arithmetic number, because the mean of its divisors is an integer number (12663595).

Almost surely, 2^50471893 is an apocalyptic number.

It is an amenable number.

50471893 is a deficient number, since it is larger than the sum of its proper divisors (182487).

50471893 is a wasteful number, since it uses less digits than its factorization.

50471893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182486.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 50471893 is about 7104.3573249098. The cubic root of 50471893 is about 369.5585018851.

The spelling of 50471893 in words is "fifty million, four hundred seventy-one thousand, eight hundred ninety-three".