53255563 has 2 divisors, whose sum is σ = 53255564. Its totient is φ = 53255562.

The previous prime is 53255533. The next prime is 53255567. The reversal of 53255563 is 36555235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53255563 is a prime.

It is not a weakly prime, because it can be changed into another prime (53255567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627781 + 26627782.

It is an arithmetic number, because the mean of its divisors is an integer number (26627782).

Almost surely, 2^53255563 is an apocalyptic number.

53255563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255563 is an equidigital number, since it uses as much as digits as its factorization.

53255563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67500, while the sum is 34.

The square root of 53255563 is about 7297.6409201878. The cubic root of 53255563 is about 376.2313608350.

The spelling of 53255563 in words is "fifty-three million, two hundred fifty-five thousand, five hundred sixty-three".