50694997 has 2 divisors, whose sum is σ = 50694998. Its totient is φ = 50694996.

The previous prime is 50694991. The next prime is 50695009. The reversal of 50694997 is 79949605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27133681 + 23561316 = 5209^2 + 4854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50694997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50694997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50694991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25347498 + 25347499.

It is an arithmetic number, because the mean of its divisors is an integer number (25347499).

Almost surely, 2^50694997 is an apocalyptic number.

It is an amenable number.

50694997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50694997 is an equidigital number, since it uses as much as digits as its factorization.

50694997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 50694997 is about 7120.0419240339. The cubic root of 50694997 is about 370.1022288741.

The spelling of 50694997 in words is "fifty million, six hundred ninety-four thousand, nine hundred ninety-seven".