55759723 has 2 divisors, whose sum is σ = 55759724. Its totient is φ = 55759722.

The previous prime is 55759709. The next prime is 55759727. The reversal of 55759723 is 32795755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55759723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55759723.

It is not a weakly prime, because it can be changed into another prime (55759727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27879861 + 27879862.

It is an arithmetic number, because the mean of its divisors is an integer number (27879862).

Almost surely, 2^55759723 is an apocalyptic number.

55759723 is a deficient number, since it is larger than the sum of its proper divisors (1).

55759723 is an equidigital number, since it uses as much as digits as its factorization.

55759723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330750, while the sum is 43.

The square root of 55759723 is about 7467.2433333862. The cubic root of 55759723 is about 382.0382695137.

The spelling of 55759723 in words is "fifty-five million, seven hundred fifty-nine thousand, seven hundred twenty-three".