63426455 has 4 divisors (see below), whose sum is σ = 76111752. Its totient is φ = 50741160.

The previous prime is 63426449. The next prime is 63426491. The reversal of 63426455 is 55462436.

It is a happy number.

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

It is not a de Polignac number, because 63426455 - 2¹⁴ = 63410071 is a prime.

It is a Duffinian number.

It is a congruent 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, 6342641 + ... + 6342650.

It is an arithmetic number, because the mean of its divisors is an integer number (19027938).

Almost surely, 2^63426455 is an apocalyptic number.

63426455 is a deficient number, since it is larger than the sum of its proper divisors (12685297).

63426455 is a wasteful number, since it uses less digits than its factorization.

63426455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685296.

The product of its digits is 86400, while the sum is 35.

The square root of 63426455 is about 7964.0727646098. The cubic root of 63426455 is about 398.8015273277.

The spelling of 63426455 in words is "sixty-three million, four hundred twenty-six thousand, four hundred fifty-five".