63531189054 has 32 divisors (see below), whose sum is σ = 141201815040. Its totient is φ = 21173853816.

The previous prime is 63531189023. The next prime is 63531189061. The reversal of 63531189054 is 45098113536.

63531189054 is a `hidden beast` number, since 63 + 531 + 1 + 8 + 9 + 0 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 284889 + ... + 456315.

It is an arithmetic number, because the mean of its divisors is an integer number (4412556720).

Almost surely, 2^63531189054 is an apocalyptic number.

63531189054 is an abundant number, since it is smaller than the sum of its proper divisors (77670625986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63531189054 is a wasteful number, since it uses less digits than its factorization.

63531189054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178301 (or 178295 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 63531189054 in words is "sixty-three billion, five hundred thirty-one million, one hundred eighty-nine thousand, fifty-four".