49397653 has 2 divisors, whose sum is σ = 49397654. Its totient is φ = 49397652.

The previous prime is 49397599. The next prime is 49397657. The reversal of 49397653 is 35679394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 13373649 = 6002^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 49397653 - 2²¹ = 47300501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49397657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698826 + 24698827.

It is an arithmetic number, because the mean of its divisors is an integer number (24698827).

Almost surely, 2^49397653 is an apocalyptic number.

It is an amenable number.

49397653 is a deficient number, since it is larger than the sum of its proper divisors (1).

49397653 is an equidigital number, since it uses as much as digits as its factorization.

49397653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 46.

The square root of 49397653 is about 7028.3463915775. The cubic root of 49397653 is about 366.9177922470.

The spelling of 49397653 in words is "forty-nine million, three hundred ninety-seven thousand, six hundred fifty-three".