63265555 has 4 divisors (see below), whose sum is σ = 75918672. Its totient is φ = 50612440.

The previous prime is 63265537. The next prime is 63265567. The reversal of 63265555 is 55556236.

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

It is not a de Polignac number, because 63265555 - 2⁹ = 63265043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6326551 + ... + 6326560.

It is an arithmetic number, because the mean of its divisors is an integer number (18979668).

Almost surely, 2^63265555 is an apocalyptic number.

63265555 is a deficient number, since it is larger than the sum of its proper divisors (12653117).

63265555 is a wasteful number, since it uses less digits than its factorization.

63265555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12653116.

The product of its digits is 135000, while the sum is 37.

The square root of 63265555 is about 7953.9647346465. The cubic root of 63265555 is about 398.4640156799.

It can be divided in two parts, 6326 and 5555, that added together give a square (11881 = 109²).

The spelling of 63265555 in words is "sixty-three million, two hundred sixty-five thousand, five hundred fifty-five".