53553847 has 2 divisors, whose sum is σ = 53553848. Its totient is φ = 53553846.

The previous prime is 53553817. The next prime is 53553869. The reversal of 53553847 is 74835535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53553847 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 (53553817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26776923 + 26776924.

It is an arithmetic number, because the mean of its divisors is an integer number (26776924).

Almost surely, 2^53553847 is an apocalyptic number.

53553847 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553847 is an equidigital number, since it uses as much as digits as its factorization.

53553847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 40.

The square root of 53553847 is about 7318.0493985761. The cubic root of 53553847 is about 376.9324764676.

The spelling of 53553847 in words is "fifty-three million, five hundred fifty-three thousand, eight hundred forty-seven".