54866957 has 2 divisors, whose sum is σ = 54866958. Its totient is φ = 54866956.

The previous prime is 54866953. The next prime is 54866989. The reversal of 54866957 is 75966845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 417316 = 7379^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 54866957 - 2² = 54866953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54866953) 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, 27433478 + 27433479.

It is an arithmetic number, because the mean of its divisors is an integer number (27433479).

Almost surely, 2^54866957 is an apocalyptic number.

It is an amenable number.

54866957 is a deficient number, since it is larger than the sum of its proper divisors (1).

54866957 is an equidigital number, since it uses as much as digits as its factorization.

54866957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 54866957 is about 7407.2232989157. The cubic root of 54866957 is about 379.9883583691.

The spelling of 54866957 in words is "fifty-four million, eight hundred sixty-six thousand, nine hundred fifty-seven".