55867727 has 2 divisors, whose sum is σ = 55867728. Its totient is φ = 55867726.

The previous prime is 55867711. The next prime is 55867741. The reversal of 55867727 is 72776855.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55867727 - 2⁴ = 55867711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55867787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27933863 + 27933864.

It is an arithmetic number, because the mean of its divisors is an integer number (27933864).

Almost surely, 2^55867727 is an apocalyptic number.

55867727 is a deficient number, since it is larger than the sum of its proper divisors (1).

55867727 is an equidigital number, since it uses as much as digits as its factorization.

55867727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823200, while the sum is 47.

The square root of 55867727 is about 7474.4716870157. The cubic root of 55867727 is about 382.2847739021.

The spelling of 55867727 in words is "fifty-five million, eight hundred sixty-seven thousand, seven hundred twenty-seven".