54829889 has 2 divisors, whose sum is σ = 54829890. Its totient is φ = 54829888.

The previous prime is 54829829. The next prime is 54829891. The reversal of 54829889 is 98892845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 4986289 = 7060^2 + 2233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54829889 is a prime.

It is a Sophie Germain prime.

Together with 54829891, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54829889.

It is not a weakly prime, because it can be changed into another prime (54829829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27414944 + 27414945.

It is an arithmetic number, because the mean of its divisors is an integer number (27414945).

Almost surely, 2^54829889 is an apocalyptic number.

It is an amenable number.

54829889 is a deficient number, since it is larger than the sum of its proper divisors (1).

54829889 is an equidigital number, since it uses as much as digits as its factorization.

54829889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 53.

The square root of 54829889 is about 7404.7207239706. The cubic root of 54829889 is about 379.9027659807.

The spelling of 54829889 in words is "fifty-four million, eight hundred twenty-nine thousand, eight hundred eighty-nine".