63795551 has 4 divisors (see below), whose sum is σ = 65853504. Its totient is φ = 61737600.

The previous prime is 63795547. The next prime is 63795601. The reversal of 63795551 is 15559736.

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

It is a cyclic number.

It is not a de Polignac number, because 63795551 - 2² = 63795547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63795499 and 63795508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63795541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028930 + ... + 1028991.

It is an arithmetic number, because the mean of its divisors is an integer number (16463376).

Almost surely, 2^63795551 is an apocalyptic number.

63795551 is a deficient number, since it is larger than the sum of its proper divisors (2057953).

63795551 is a wasteful number, since it uses less digits than its factorization.

63795551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057952.

The product of its digits is 141750, while the sum is 41.

The square root of 63795551 is about 7987.2117162374. The cubic root of 63795551 is about 399.5736102242.

It can be divided in two parts, 63795 and 551, that added together give a palindrome (64346).

The spelling of 63795551 in words is "sixty-three million, seven hundred ninety-five thousand, five hundred fifty-one".