50451617 has 2 divisors, whose sum is σ = 50451618. Its totient is φ = 50451616.

The previous prime is 50451559. The next prime is 50451641. The reversal of 50451617 is 71615405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 1577536 = 6991^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 50451617 - 2¹⁰ = 50450593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50451617.

It is not a weakly prime, because it can be changed into another prime (50456617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25225808 + 25225809.

It is an arithmetic number, because the mean of its divisors is an integer number (25225809).

Almost surely, 2^50451617 is an apocalyptic number.

It is an amenable number.

50451617 is a deficient number, since it is larger than the sum of its proper divisors (1).

50451617 is an equidigital number, since it uses as much as digits as its factorization.

50451617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 50451617 is about 7102.9301700073. The cubic root of 50451617 is about 369.5090078574.

The spelling of 50451617 in words is "fifty million, four hundred fifty-one thousand, six hundred seventeen".