49591001 has 2 divisors, whose sum is σ = 49591002. Its totient is φ = 49591000.

The previous prime is 49590971. The next prime is 49591019. The reversal of 49591001 is 10019594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41267776 + 8323225 = 6424^2 + 2885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49591001 is a prime.

It is not a weakly prime, because it can be changed into another prime (49591051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24795500 + 24795501.

It is an arithmetic number, because the mean of its divisors is an integer number (24795501).

Almost surely, 2^49591001 is an apocalyptic number.

It is an amenable number.

49591001 is a deficient number, since it is larger than the sum of its proper divisors (1).

49591001 is an equidigital number, since it uses as much as digits as its factorization.

49591001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 49591001 is about 7042.0878296142. The cubic root of 49591001 is about 367.3958882585.

The spelling of 49591001 in words is "forty-nine million, five hundred ninety-one thousand, one".