49311797 has 2 divisors, whose sum is σ = 49311798. Its totient is φ = 49311796.

The previous prime is 49311763. The next prime is 49311809. The reversal of 49311797 is 79711394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34210801 + 15100996 = 5849^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 49311797 - 2¹⁴ = 49295413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49311727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24655898 + 24655899.

It is an arithmetic number, because the mean of its divisors is an integer number (24655899).

Almost surely, 2^49311797 is an apocalyptic number.

It is an amenable number.

49311797 is a deficient number, since it is larger than the sum of its proper divisors (1).

49311797 is an equidigital number, since it uses as much as digits as its factorization.

49311797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 49311797 is about 7022.2358974902. The cubic root of 49311797 is about 366.7050941360.

The spelling of 49311797 in words is "forty-nine million, three hundred eleven thousand, seven hundred ninety-seven".