63554949 has 14 divisors (see below), whose sum is σ = 95289926. Its totient is φ = 42369480.

The previous prime is 63554917. The next prime is 63554971. The reversal of 63554949 is 94945536.

63554949 is a `hidden beast` number, since 6 + 3 + 554 + 94 + 9 = 666.

63554949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61732449 + 1822500 = 7857^2 + 1350^2 .

It is not a de Polignac number, because 63554949 - 2⁵ = 63554917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63554999) 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 13 ways as a sum of consecutive naturals, for example, 42862 + ... + 44319.

Almost surely, 2^63554949 is an apocalyptic number.

It is an amenable number.

63554949 is a deficient number, since it is larger than the sum of its proper divisors (31734977).

63554949 is an frugal number, since it uses more digits than its factorization.

63554949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87199 (or 87184 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 63554949 is about 7972.1357866007. The cubic root of 63554949 is about 399.0706528737.

The spelling of 63554949 in words is "sixty-three million, five hundred fifty-four thousand, nine hundred forty-nine".