48621689 has 2 divisors, whose sum is σ = 48621690. Its totient is φ = 48621688.

The previous prime is 48621673. The next prime is 48621787. The reversal of 48621689 is 98612684.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 6150400 = 6517^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 48621689 - 2⁴ = 48621673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48621659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24310844 + 24310845.

It is an arithmetic number, because the mean of its divisors is an integer number (24310845).

Almost surely, 2^48621689 is an apocalyptic number.

It is an amenable number.

48621689 is a deficient number, since it is larger than the sum of its proper divisors (1).

48621689 is an equidigital number, since it uses as much as digits as its factorization.

48621689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 48621689 is about 6972.9254262469. The cubic root of 48621689 is about 364.9863984423.

The spelling of 48621689 in words is "forty-eight million, six hundred twenty-one thousand, six hundred eighty-nine".