48566989 has 2 divisors, whose sum is σ = 48566990. Its totient is φ = 48566988.

The previous prime is 48566939. The next prime is 48567019. The reversal of 48566989 is 98966584.

48566989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26316900 + 22250089 = 5130^2 + 4717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48566989 is a prime.

It is a super-2 number, since 2×48566989² = 4717504841052242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48566929) 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 as a sum of consecutive naturals, namely, 24283494 + 24283495.

It is an arithmetic number, because the mean of its divisors is an integer number (24283495).

Almost surely, 2^48566989 is an apocalyptic number.

It is an amenable number.

48566989 is a deficient number, since it is larger than the sum of its proper divisors (1).

48566989 is an equidigital number, since it uses as much as digits as its factorization.

48566989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The square root of 48566989 is about 6969.0020088963. The cubic root of 48566989 is about 364.8494756824.

The spelling of 48566989 in words is "forty-eight million, five hundred sixty-six thousand, nine hundred eighty-nine".