63306055 has 4 divisors (see below), whose sum is σ = 75967272. Its totient is φ = 50644840.

The previous prime is 63306049. The next prime is 63306059. The reversal of 63306055 is 55060336.

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

It is not a de Polignac number, because 63306055 - 2¹⁹ = 62781767 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 (63306059) 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, 6330601 + ... + 6330610.

It is an arithmetic number, because the mean of its divisors is an integer number (18991818).

Almost surely, 2^63306055 is an apocalyptic number.

63306055 is a deficient number, since it is larger than the sum of its proper divisors (12661217).

63306055 is a wasteful number, since it uses less digits than its factorization.

63306055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661216.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 63306055 is about 7956.5102274804. The cubic root of 63306055 is about 398.5490242878.

The spelling of 63306055 in words is "sixty-three million, three hundred six thousand, fifty-five".