53563255 has 4 divisors (see below), whose sum is σ = 64275912. Its totient is φ = 42850600.

The previous prime is 53563249. The next prime is 53563259. The reversal of 53563255 is 55236535.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-53563255 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53563255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53563259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5356321 + ... + 5356330.

It is an arithmetic number, because the mean of its divisors is an integer number (16068978).

Almost surely, 2^53563255 is an apocalyptic number.

53563255 is a deficient number, since it is larger than the sum of its proper divisors (10712657).

53563255 is a wasteful number, since it uses less digits than its factorization.

53563255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712656.

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

The square root of 53563255 is about 7318.6921645879. The cubic root of 53563255 is about 376.9545475437.

The spelling of 53563255 in words is "fifty-three million, five hundred sixty-three thousand, two hundred fifty-five".