63494655 has 16 divisors (see below), whose sum is σ = 116104704. Its totient is φ = 29026080.

The previous prime is 63494653. The next prime is 63494657. The reversal of 63494655 is 55649436.

It is an interprime number because it is at equal distance from previous prime (63494653) and next prime (63494657).

It is not a de Polignac number, because 63494655 - 2¹ = 63494653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63494653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302251 + ... + 302460.

It is an arithmetic number, because the mean of its divisors is an integer number (7256544).

Almost surely, 2^63494655 is an apocalyptic number.

63494655 is a deficient number, since it is larger than the sum of its proper divisors (52610049).

63494655 is a wasteful number, since it uses less digits than its factorization.

63494655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604726.

The product of its digits is 388800, while the sum is 42.

The square root of 63494655 is about 7968.3533430691. The cubic root of 63494655 is about 398.9444147163.

The spelling of 63494655 in words is "sixty-three million, four hundred ninety-four thousand, six hundred fifty-five".