50487973 has 2 divisors, whose sum is σ = 50487974. Its totient is φ = 50487972.

The previous prime is 50487971. The next prime is 50487991. The reversal of 50487973 is 37978405.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 954529 = 7038^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 50487973 - 2¹ = 50487971 is a prime.

Together with 50487971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50487971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25243986 + 25243987.

It is an arithmetic number, because the mean of its divisors is an integer number (25243987).

Almost surely, 2^50487973 is an apocalyptic number.

It is an amenable number.

50487973 is a deficient number, since it is larger than the sum of its proper divisors (1).

50487973 is an equidigital number, since it uses as much as digits as its factorization.

50487973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 50487973 is about 7105.4889346195. The cubic root of 50487973 is about 369.5977439886.

The spelling of 50487973 in words is "fifty million, four hundred eighty-seven thousand, nine hundred seventy-three".