54866953 has 2 divisors, whose sum is σ = 54866954. Its totient is φ = 54866952.

The previous prime is 54866923. The next prime is 54866957. The reversal of 54866953 is 35966845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 26956864 = 5283^2 + 5192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54866953 is a prime.

It is not a weakly prime, because it can be changed into another prime (54866957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27433476 + 27433477.

It is an arithmetic number, because the mean of its divisors is an integer number (27433477).

Almost surely, 2^54866953 is an apocalyptic number.

It is an amenable number.

54866953 is a deficient number, since it is larger than the sum of its proper divisors (1).

54866953 is an equidigital number, since it uses as much as digits as its factorization.

54866953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 54866953 is about 7407.2230289090. The cubic root of 54866953 is about 379.9883491349.

The spelling of 54866953 in words is "fifty-four million, eight hundred sixty-six thousand, nine hundred fifty-three".