48721091 has 2 divisors, whose sum is σ = 48721092. Its totient is φ = 48721090.

The previous prime is 48721033. The next prime is 48721097. The reversal of 48721091 is 19012784.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48721091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48721097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24360545 + 24360546.

It is an arithmetic number, because the mean of its divisors is an integer number (24360546).

Almost surely, 2^48721091 is an apocalyptic number.

48721091 is a deficient number, since it is larger than the sum of its proper divisors (1).

48721091 is an equidigital number, since it uses as much as digits as its factorization.

48721091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 48721091 is about 6980.0494983918. The cubic root of 48721091 is about 365.2349547481.

The spelling of 48721091 in words is "forty-eight million, seven hundred twenty-one thousand, ninety-one".