54625655789 has 2 divisors, whose sum is σ = 54625655790. Its totient is φ = 54625655788.

The previous prime is 54625655663. The next prime is 54625655797. The reversal of 54625655789 is 98755652645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49279560100 + 5346095689 = 221990^2 + 73117^2 .

It is a cyclic number.

It is not a de Polignac number, because 54625655789 - 2⁸ = 54625655533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54625655989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27312827894 + 27312827895.

It is an arithmetic number, because the mean of its divisors is an integer number (27312827895).

Almost surely, 2^54625655789 is an apocalyptic number.

It is an amenable number.

54625655789 is a deficient number, since it is larger than the sum of its proper divisors (1).

54625655789 is an equidigital number, since it uses as much as digits as its factorization.

54625655789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720000, while the sum is 62.

The spelling of 54625655789 in words is "fifty-four billion, six hundred twenty-five million, six hundred fifty-five thousand, seven hundred eighty-nine".