63540455 has 32 divisors (see below), whose sum is σ = 86600448. Its totient is φ = 44352000.

The previous prime is 63540443. The next prime is 63540457. The reversal of 63540455 is 55404536.

It is not a de Polignac number, because 63540455 - 2¹² = 63536359 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158255 + ... + 158655.

It is an arithmetic number, because the mean of its divisors is an integer number (2706264).

Almost surely, 2^63540455 is an apocalyptic number.

63540455 is a deficient number, since it is larger than the sum of its proper divisors (23059993).

63540455 is a wasteful number, since it uses less digits than its factorization.

63540455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 63540455 is about 7971.2266935523. The cubic root of 63540455 is about 399.0403139313.

The spelling of 63540455 in words is "sixty-three million, five hundred forty thousand, four hundred fifty-five".