53489197 has 2 divisors, whose sum is σ = 53489198. Its totient is φ = 53489196.

The previous prime is 53489179. The next prime is 53489207. The reversal of 53489197 is 79198435.

It is a happy number.

Together with previous prime (53489179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 10074276 = 6589^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 53489197 - 2¹⁹ = 52964909 is a prime.

It is a super-2 number, since 2×53489197² = 5722188391409618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53489797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26744598 + 26744599.

It is an arithmetic number, because the mean of its divisors is an integer number (26744599).

Almost surely, 2^53489197 is an apocalyptic number.

It is an amenable number.

53489197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53489197 is an equidigital number, since it uses as much as digits as its factorization.

53489197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 53489197 is about 7313.6309040038. The cubic root of 53489197 is about 376.7807382423.

The spelling of 53489197 in words is "fifty-three million, four hundred eighty-nine thousand, one hundred ninety-seven".