63554961 has 16 divisors (see below), whose sum is σ = 87067008. Its totient is φ = 41212800.

The previous prime is 63554917. The next prime is 63554971. The reversal of 63554961 is 16945536.

63554961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63554961 - 2¹¹ = 63552913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63554971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59371 + ... + 60431.

It is an arithmetic number, because the mean of its divisors is an integer number (5441688).

Almost surely, 2^63554961 is an apocalyptic number.

It is an amenable number.

63554961 is a deficient number, since it is larger than the sum of its proper divisors (23512047).

63554961 is a wasteful number, since it uses less digits than its factorization.

63554961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its digits is 97200, while the sum is 39.

The square root of 63554961 is about 7972.1365392221. The cubic root of 63554961 is about 399.0706779903.

The spelling of 63554961 in words is "sixty-three million, five hundred fifty-four thousand, nine hundred sixty-one".