48637189 has 2 divisors, whose sum is σ = 48637190. Its totient is φ = 48637188.

The previous prime is 48637117. The next prime is 48637213. The reversal of 48637189 is 98173684.

It is a happy number.

48637189 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 13032100 = 5967^2 + 3610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48637189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48637489) 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, 24318594 + 24318595.

It is an arithmetic number, because the mean of its divisors is an integer number (24318595).

Almost surely, 2^48637189 is an apocalyptic number.

It is an amenable number.

48637189 is a deficient number, since it is larger than the sum of its proper divisors (1).

48637189 is an equidigital number, since it uses as much as digits as its factorization.

48637189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 48637189 is about 6974.0367793696. The cubic root of 48637189 is about 365.0251787222.

It can be divided in two parts, 486 and 37189, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 48637189 in words is "forty-eight million, six hundred thirty-seven thousand, one hundred eighty-nine".