53430647 has 2 divisors, whose sum is σ = 53430648. Its totient is φ = 53430646.

The previous prime is 53430599. The next prime is 53430649. The reversal of 53430647 is 74603435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53430647 - 2⁶ = 53430583 is a prime.

Together with 53430649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53430649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715323 + 26715324.

It is an arithmetic number, because the mean of its divisors is an integer number (26715324).

Almost surely, 2^53430647 is an apocalyptic number.

53430647 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430647 is an equidigital number, since it uses as much as digits as its factorization.

53430647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 53430647 is about 7309.6270082679. The cubic root of 53430647 is about 376.6432116163.

The spelling of 53430647 in words is "fifty-three million, four hundred thirty thousand, six hundred forty-seven".