53032997 has 2 divisors, whose sum is σ = 53032998. Its totient is φ = 53032996.

The previous prime is 53032961. The next prime is 53032999. The reversal of 53032997 is 79923035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48427681 + 4605316 = 6959^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 53032997 - 2¹² = 53028901 is a prime.

It is a super-3 number, since 3×53032997³ (a number of 24 digits) contains 333 as substring.

Together with 53032999, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53032997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53032999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26516498 + 26516499.

It is an arithmetic number, because the mean of its divisors is an integer number (26516499).

Almost surely, 2^53032997 is an apocalyptic number.

It is an amenable number.

53032997 is a deficient number, since it is larger than the sum of its proper divisors (1).

53032997 is an equidigital number, since it uses as much as digits as its factorization.

53032997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 53032997 is about 7282.3757799224. The cubic root of 53032997 is about 375.7065128105.

Adding to 53032997 its sum of digits (38), we get a palindrome (53033035).

The spelling of 53032997 in words is "fifty-three million, thirty-two thousand, nine hundred ninety-seven".