55047663 has 12 divisors (see below), whose sum is σ = 86741928. Its totient is φ = 33362160.

The previous prime is 55047647. The next prime is 55047667. The reversal of 55047663 is 36674055.

55047663 is a `hidden beast` number, since 550 + 47 + 6 + 63 = 666.

It is not a de Polignac number, because 55047663 - 2⁴ = 55047647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55047667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277920 + ... + 278117.

It is an arithmetic number, because the mean of its divisors is an integer number (7228494).

Almost surely, 2^55047663 is an apocalyptic number.

55047663 is a deficient number, since it is larger than the sum of its proper divisors (31694265).

55047663 is a wasteful number, since it uses less digits than its factorization.

55047663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556054 (or 556051 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 55047663 is about 7419.4112300101. The cubic root of 55047663 is about 380.4050689782.

The spelling of 55047663 in words is "fifty-five million, forty-seven thousand, six hundred sixty-three".