50487971 has 2 divisors, whose sum is σ = 50487972. Its totient is φ = 50487970.

The previous prime is 50487953. The next prime is 50487973. The reversal of 50487971 is 17978405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50487971 is a prime.

Together with 50487973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50487973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25243985 + 25243986.

It is an arithmetic number, because the mean of its divisors is an integer number (25243986).

Almost surely, 2^50487971 is an apocalyptic number.

50487971 is a deficient number, since it is larger than the sum of its proper divisors (1).

50487971 is an equidigital number, since it uses as much as digits as its factorization.

50487971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 50487971 is about 7105.4887938832. The cubic root of 50487971 is about 369.5977391082.

The spelling of 50487971 in words is "fifty million, four hundred eighty-seven thousand, nine hundred seventy-one".