48663569 has 2 divisors, whose sum is σ = 48663570. Its totient is φ = 48663568.

The previous prime is 48663557. The next prime is 48663619. The reversal of 48663569 is 96536684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32341969 + 16321600 = 5687^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 48663569 - 2¹² = 48659473 is a prime.

It is a super-2 number, since 2×48663569² = 4736285895635522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48663869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24331784 + 24331785.

It is an arithmetic number, because the mean of its divisors is an integer number (24331785).

Almost surely, 2^48663569 is an apocalyptic number.

It is an amenable number.

48663569 is a deficient number, since it is larger than the sum of its proper divisors (1).

48663569 is an equidigital number, since it uses as much as digits as its factorization.

48663569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The square root of 48663569 is about 6975.9278235945. The cubic root of 48663569 is about 365.0911613170.

The spelling of 48663569 in words is "forty-eight million, six hundred sixty-three thousand, five hundred sixty-nine".