53497207 has 2 divisors, whose sum is σ = 53497208. Its totient is φ = 53497206.

The previous prime is 53497189. The next prime is 53497211. The reversal of 53497207 is 70279435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53497207 - 2¹¹ = 53495159 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 (53497307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26748603 + 26748604.

It is an arithmetic number, because the mean of its divisors is an integer number (26748604).

Almost surely, 2^53497207 is an apocalyptic number.

53497207 is a deficient number, since it is larger than the sum of its proper divisors (1).

53497207 is an equidigital number, since it uses as much as digits as its factorization.

53497207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 53497207 is about 7314.1784911226. The cubic root of 53497207 is about 376.7995449250.

The spelling of 53497207 in words is "fifty-three million, four hundred ninety-seven thousand, two hundred seven".