50471881 has 2 divisors, whose sum is σ = 50471882. Its totient is φ = 50471880.

The previous prime is 50471857. The next prime is 50471917. The reversal of 50471881 is 18817405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49070025 + 1401856 = 7005^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 50471881 - 2⁵ = 50471849 is a prime.

It is a super-2 number, since 2×50471881² = 5094821543356322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50471831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25235940 + 25235941.

It is an arithmetic number, because the mean of its divisors is an integer number (25235941).

Almost surely, 2^50471881 is an apocalyptic number.

It is an amenable number.

50471881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50471881 is an equidigital number, since it uses as much as digits as its factorization.

50471881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 50471881 is about 7104.3564803577. The cubic root of 50471881 is about 369.5584725968.

The spelling of 50471881 in words is "fifty million, four hundred seventy-one thousand, eight hundred eighty-one".