63542655 has 48 divisors (see below), whose sum is σ = 121159584. Its totient is φ = 30551040.

The previous prime is 63542639. The next prime is 63542659. The reversal of 63542655 is 55624536.

It is a happy number.

63542655 is a `hidden beast` number, since 63 + 542 + 6 + 55 = 666.

It is not a de Polignac number, because 63542655 - 2⁴ = 63542639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63542659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67347 + ... + 68283.

It is an arithmetic number, because the mean of its divisors is an integer number (2524158).

Almost surely, 2^63542655 is an apocalyptic number.

63542655 is a deficient number, since it is larger than the sum of its proper divisors (57616929).

63542655 is a wasteful number, since it uses less digits than its factorization.

63542655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1093 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 63542655 is about 7971.3646886841. The cubic root of 63542655 is about 399.0449192837.

It can be divided in two parts, 6354 and 2655, that added together give a palindrome (9009).

The spelling of 63542655 in words is "sixty-three million, five hundred forty-two thousand, six hundred fifty-five".