49488091 has 2 divisors, whose sum is σ = 49488092. Its totient is φ = 49488090.

The previous prime is 49488067. The next prime is 49488097. The reversal of 49488091 is 19088494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49488091 - 2¹⁷ = 49357019 is a prime.

It is not a weakly prime, because it can be changed into another prime (49488097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24744045 + 24744046.

It is an arithmetic number, because the mean of its divisors is an integer number (24744046).

Almost surely, 2^49488091 is an apocalyptic number.

49488091 is a deficient number, since it is larger than the sum of its proper divisors (1).

49488091 is an equidigital number, since it uses as much as digits as its factorization.

49488091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 49488091 is about 7034.7772530479. Note that the first 3 decimals coincide. The cubic root of 49488091 is about 367.1415753555.

The spelling of 49488091 in words is "forty-nine million, four hundred eighty-eight thousand, ninety-one".