63653255 has 4 divisors (see below), whose sum is σ = 76383912. Its totient is φ = 50922600.

The previous prime is 63653251. The next prime is 63653257. The reversal of 63653255 is 55235636.

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

It is not a de Polignac number, because 63653255 - 2² = 63653251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63653251) 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, 6365321 + ... + 6365330.

It is an arithmetic number, because the mean of its divisors is an integer number (19095978).

Almost surely, 2^63653255 is an apocalyptic number.

63653255 is a deficient number, since it is larger than the sum of its proper divisors (12730657).

63653255 is a wasteful number, since it uses less digits than its factorization.

63653255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730656.

The product of its digits is 81000, while the sum is 35.

The square root of 63653255 is about 7978.2990041738. The cubic root of 63653255 is about 399.2763060406.

The spelling of 63653255 in words is "sixty-three million, six hundred fifty-three thousand, two hundred fifty-five".