50471858 has 4 divisors (see below), whose sum is σ = 75707790. Its totient is φ = 25235928.

The previous prime is 50471857. The next prime is 50471881. The reversal of 50471858 is 85817405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85817405 = 5 ⋅17163481.

It can be written as a sum of positive squares in only one way, i.e., 35081929 + 15389929 = 5923^2 + 3923^2 .

It is not an unprimeable number, because it can be changed into a prime (50471857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12617963 + ... + 12617966.

Almost surely, 2^50471858 is an apocalyptic number.

50471858 is a deficient number, since it is larger than the sum of its proper divisors (25235932).

50471858 is a wasteful number, since it uses less digits than its factorization.

50471858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25235931.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 50471858 is about 7104.3548616324. The cubic root of 50471858 is about 369.5584164610.

The spelling of 50471858 in words is "fifty million, four hundred seventy-one thousand, eight hundred fifty-eight".