53738197 has 2 divisors, whose sum is σ = 53738198. Its totient is φ = 53738196.

The previous prime is 53738177. The next prime is 53738219. The reversal of 53738197 is 79183735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51638596 + 2099601 = 7186^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 53738197 - 2²³ = 45349589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53738177) 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, 26869098 + 26869099.

It is an arithmetic number, because the mean of its divisors is an integer number (26869099).

Almost surely, 2^53738197 is an apocalyptic number.

It is an amenable number.

53738197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53738197 is an equidigital number, since it uses as much as digits as its factorization.

53738197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 53738197 is about 7330.6341471935. The cubic root of 53738197 is about 377.3644897595.

It can be divided in two parts, 53738 and 197, that added together give a palindrome (53935).

The spelling of 53738197 in words is "fifty-three million, seven hundred thirty-eight thousand, one hundred ninety-seven".