53558047 has 2 divisors, whose sum is σ = 53558048. Its totient is φ = 53558046.

The previous prime is 53558009. The next prime is 53558077. The reversal of 53558047 is 74085535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53558047 - 2¹⁹ = 53033759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53557997 and 53558015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53558077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26779023 + 26779024.

It is an arithmetic number, because the mean of its divisors is an integer number (26779024).

Almost surely, 2^53558047 is an apocalyptic number.

53558047 is a deficient number, since it is larger than the sum of its proper divisors (1).

53558047 is an equidigital number, since it uses as much as digits as its factorization.

53558047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 53558047 is about 7318.3363546642. The cubic root of 53558047 is about 376.9423299460.

The spelling of 53558047 in words is "fifty-three million, five hundred fifty-eight thousand, forty-seven".