63540255 has 16 divisors (see below), whose sum is σ = 102315744. Its totient is φ = 33671040.

The previous prime is 63540241. The next prime is 63540263. The reversal of 63540255 is 55204536.

It is not a de Polignac number, because 63540255 - 2²¹ = 61443103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11136 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (6394734).

Almost surely, 2^63540255 is an apocalyptic number.

63540255 is a deficient number, since it is larger than the sum of its proper divisors (38775489).

63540255 is a wasteful number, since it uses less digits than its factorization.

63540255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27146.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 63540255 is about 7971.2141484218. The cubic root of 63540255 is about 399.0398952577.

The spelling of 63540255 in words is "sixty-three million, five hundred forty thousand, two hundred fifty-five".