53664047 has 2 divisors, whose sum is σ = 53664048. Its totient is φ = 53664046.

The previous prime is 53664029. The next prime is 53664059. The reversal of 53664047 is 74046635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53664047 - 2¹² = 53659951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53663998 and 53664016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53664067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26832023 + 26832024.

It is an arithmetic number, because the mean of its divisors is an integer number (26832024).

Almost surely, 2^53664047 is an apocalyptic number.

53664047 is a deficient number, since it is larger than the sum of its proper divisors (1).

53664047 is an equidigital number, since it uses as much as digits as its factorization.

53664047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 53664047 is about 7325.5748579890. The cubic root of 53664047 is about 377.1908425937.

The spelling of 53664047 in words is "fifty-three million, six hundred sixty-four thousand, forty-seven".