53430197 has 2 divisors, whose sum is σ = 53430198. Its totient is φ = 53430196.

The previous prime is 53430191. The next prime is 53430229. The reversal of 53430197 is 79103435.

It is a happy number.

It is an a-pointer prime, because the next prime (53430229) can be obtained adding 53430197 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43151761 + 10278436 = 6569^2 + 3206^2 .

It is a cyclic number.

It is not a de Polignac number, because 53430197 - 2¹² = 53426101 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 (53430191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715098 + 26715099.

It is an arithmetic number, because the mean of its divisors is an integer number (26715099).

Almost surely, 2^53430197 is an apocalyptic number.

It is an amenable number.

53430197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430197 is an equidigital number, since it uses as much as digits as its factorization.

53430197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 53430197 is about 7309.5962268787. The cubic root of 53430197 is about 376.6421542336.

The spelling of 53430197 in words is "fifty-three million, four hundred thirty thousand, one hundred ninety-seven".