55827743 has 2 divisors, whose sum is σ = 55827744. Its totient is φ = 55827742.

The previous prime is 55827727. The next prime is 55827769. The reversal of 55827743 is 34772855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55827743 - 2⁴ = 55827727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55827743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55827713) 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, 27913871 + 27913872.

It is an arithmetic number, because the mean of its divisors is an integer number (27913872).

Almost surely, 2^55827743 is an apocalyptic number.

55827743 is a deficient number, since it is larger than the sum of its proper divisors (1).

55827743 is an equidigital number, since it uses as much as digits as its factorization.

55827743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 55827743 is about 7471.7965041883. The cubic root of 55827743 is about 382.1935529464.

The spelling of 55827743 in words is "fifty-five million, eight hundred twenty-seven thousand, seven hundred forty-three".