55769759 has 2 divisors, whose sum is σ = 55769760. Its totient is φ = 55769758.

The previous prime is 55769743. The next prime is 55769761. The reversal of 55769759 is 95796755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55769759 - 2⁴ = 55769743 is a prime.

It is a super-2 number, since 2×55769759² = 6220532037836162, which contains 22 as substring.

Together with 55769761, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55769759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55769729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27884879 + 27884880.

It is an arithmetic number, because the mean of its divisors is an integer number (27884880).

Almost surely, 2^55769759 is an apocalyptic number.

55769759 is a deficient number, since it is larger than the sum of its proper divisors (1).

55769759 is an equidigital number, since it uses as much as digits as its factorization.

55769759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2976750, while the sum is 53.

The square root of 55769759 is about 7467.9153048224. The cubic root of 55769759 is about 382.0611887217.

The spelling of 55769759 in words is "fifty-five million, seven hundred sixty-nine thousand, seven hundred fifty-nine".