49975691 has 2 divisors, whose sum is σ = 49975692. Its totient is φ = 49975690.

The previous prime is 49975669. The next prime is 49975777. The reversal of 49975691 is 19657994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49975691 - 2¹⁰ = 49974667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49975391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24987845 + 24987846.

It is an arithmetic number, because the mean of its divisors is an integer number (24987846).

Almost surely, 2^49975691 is an apocalyptic number.

49975691 is a deficient number, since it is larger than the sum of its proper divisors (1).

49975691 is an equidigital number, since it uses as much as digits as its factorization.

49975691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 50.

The square root of 49975691 is about 7069.3486970159. The cubic root of 49975691 is about 368.3434367714.

The spelling of 49975691 in words is "forty-nine million, nine hundred seventy-five thousand, six hundred ninety-one".