63955090 has 8 divisors (see below), whose sum is σ = 115119180. Its totient is φ = 25582032.

The previous prime is 63955057. The next prime is 63955093. The reversal of 63955090 is 9055936.

It can be written as a sum of positive squares in 2 ways, for example, as 63027721 + 927369 = 7939^2 + 963^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63955093) 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, 3197745 + ... + 3197764.

Almost surely, 2^63955090 is an apocalyptic number.

63955090 is a deficient number, since it is larger than the sum of its proper divisors (51164090).

63955090 is a wasteful number, since it uses less digits than its factorization.

63955090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395516.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 63955090 is about 7997.1926324180. The cubic root of 63955090 is about 399.9064156066.

The spelling of 63955090 in words is "sixty-three million, nine hundred fifty-five thousand, ninety".