49648091 has 2 divisors, whose sum is σ = 49648092. Its totient is φ = 49648090.

The previous prime is 49648069. The next prime is 49648129. The reversal of 49648091 is 19084694.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49648091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49648021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24824045 + 24824046.

It is an arithmetic number, because the mean of its divisors is an integer number (24824046).

Almost surely, 2^49648091 is an apocalyptic number.

49648091 is a deficient number, since it is larger than the sum of its proper divisors (1).

49648091 is an equidigital number, since it uses as much as digits as its factorization.

49648091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 49648091 is about 7046.1401490461. The cubic root of 49648091 is about 367.5368183144.

The spelling of 49648091 in words is "forty-nine million, six hundred forty-eight thousand, ninety-one".