54669257 has 2 divisors, whose sum is σ = 54669258. Its totient is φ = 54669256.

The previous prime is 54669247. The next prime is 54669259. The reversal of 54669257 is 75296645.

54669257 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., 54479161 + 190096 = 7381^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 54669257 - 2¹² = 54665161 is a prime.

Together with 54669259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54669259) 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, 27334628 + 27334629.

It is an arithmetic number, because the mean of its divisors is an integer number (27334629).

Almost surely, 2^54669257 is an apocalyptic number.

It is an amenable number.

54669257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54669257 is an equidigital number, since it uses as much as digits as its factorization.

54669257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 54669257 is about 7393.8661740662. The cubic root of 54669257 is about 379.5314099389.

The spelling of 54669257 in words is "fifty-four million, six hundred sixty-nine thousand, two hundred fifty-seven".