50671913 has 2 divisors, whose sum is σ = 50671914. Its totient is φ = 50671912.

The previous prime is 50671897. The next prime is 50671991. The reversal of 50671913 is 31917605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26337424 + 24334489 = 5132^2 + 4933^2 .

It is a cyclic number.

It is not a de Polignac number, because 50671913 - 2⁴ = 50671897 is a prime.

It is a super-3 number, since 3×50671913³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50671913.

It is not a weakly prime, because it can be changed into another prime (50670913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25335956 + 25335957.

It is an arithmetic number, because the mean of its divisors is an integer number (25335957).

Almost surely, 2^50671913 is an apocalyptic number.

It is an amenable number.

50671913 is a deficient number, since it is larger than the sum of its proper divisors (1).

50671913 is an equidigital number, since it uses as much as digits as its factorization.

50671913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 50671913 is about 7118.4206815838. The cubic root of 50671913 is about 370.0460449149.

The spelling of 50671913 in words is "fifty million, six hundred seventy-one thousand, nine hundred thirteen".