50905457 has 2 divisors, whose sum is σ = 50905458. Its totient is φ = 50905456.

The previous prime is 50905409. The next prime is 50905499. The reversal of 50905457 is 75450905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48219136 + 2686321 = 6944^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 50905457 - 2⁸ = 50905201 is a prime.

It is not a weakly prime, because it can be changed into another prime (50905957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25452728 + 25452729.

It is an arithmetic number, because the mean of its divisors is an integer number (25452729).

Almost surely, 2^50905457 is an apocalyptic number.

It is an amenable number.

50905457 is a deficient number, since it is larger than the sum of its proper divisors (1).

50905457 is an equidigital number, since it uses as much as digits as its factorization.

50905457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 50905457 is about 7134.8060239925. The cubic root of 50905457 is about 370.6136808819.

The spelling of 50905457 in words is "fifty million, nine hundred five thousand, four hundred fifty-seven".