49500391 has 2 divisors, whose sum is σ = 49500392. Its totient is φ = 49500390.

The previous prime is 49500371. The next prime is 49500401. The reversal of 49500391 is 19300594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49500391 - 2⁵ = 49500359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49500331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24750195 + 24750196.

It is an arithmetic number, because the mean of its divisors is an integer number (24750196).

Almost surely, 2^49500391 is an apocalyptic number.

49500391 is a deficient number, since it is larger than the sum of its proper divisors (1).

49500391 is an equidigital number, since it uses as much as digits as its factorization.

49500391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 49500391 is about 7035.6514268403. The cubic root of 49500391 is about 367.1719898600.

The spelling of 49500391 in words is "forty-nine million, five hundred thousand, three hundred ninety-one".