49591147 has 2 divisors, whose sum is σ = 49591148. Its totient is φ = 49591146.

The previous prime is 49591141. The next prime is 49591177. The reversal of 49591147 is 74119594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49591147 - 2⁷ = 49591019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49591141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24795573 + 24795574.

It is an arithmetic number, because the mean of its divisors is an integer number (24795574).

Almost surely, 2^49591147 is an apocalyptic number.

49591147 is a deficient number, since it is larger than the sum of its proper divisors (1).

49591147 is an equidigital number, since it uses as much as digits as its factorization.

49591147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 49591147 is about 7042.0981958504. The cubic root of 49591147 is about 367.3962488061.

The spelling of 49591147 in words is "forty-nine million, five hundred ninety-one thousand, one hundred forty-seven".