63515055 has 8 divisors (see below), whose sum is σ = 101624112. Its totient is φ = 33874688.

The previous prime is 63515033. The next prime is 63515057. The reversal of 63515055 is 55051536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63515055 - 2⁶ = 63514991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63515057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117154 + ... + 2117183.

It is an arithmetic number, because the mean of its divisors is an integer number (12703014).

Almost surely, 2^63515055 is an apocalyptic number.

63515055 is a deficient number, since it is larger than the sum of its proper divisors (38109057).

63515055 is a wasteful number, since it uses less digits than its factorization.

63515055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234345.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 63515055 is about 7969.6333039858. The cubic root of 63515055 is about 398.9871353444.

The spelling of 63515055 in words is "sixty-three million, five hundred fifteen thousand, fifty-five".