55173743 has 2 divisors, whose sum is σ = 55173744. Its totient is φ = 55173742.

The previous prime is 55173737. The next prime is 55173749. The reversal of 55173743 is 34737155.

It is a balanced prime because it is at equal distance from previous prime (55173737) and next prime (55173749).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55173743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55173749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27586871 + 27586872.

It is an arithmetic number, because the mean of its divisors is an integer number (27586872).

Almost surely, 2^55173743 is an apocalyptic number.

55173743 is a deficient number, since it is larger than the sum of its proper divisors (1).

55173743 is an equidigital number, since it uses as much as digits as its factorization.

55173743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 55173743 is about 7427.9030015207. The cubic root of 55173743 is about 380.6952714340.

The spelling of 55173743 in words is "fifty-five million, one hundred seventy-three thousand, seven hundred forty-three".