55173383 has 2 divisors, whose sum is σ = 55173384. Its totient is φ = 55173382.

The previous prime is 55173367. The next prime is 55173403. The reversal of 55173383 is 38337155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55173383 - 2⁴ = 55173367 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 (55173323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27586691 + 27586692.

It is an arithmetic number, because the mean of its divisors is an integer number (27586692).

Almost surely, 2^55173383 is an apocalyptic number.

55173383 is a deficient number, since it is larger than the sum of its proper divisors (1).

55173383 is an equidigital number, since it uses as much as digits as its factorization.

55173383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 55173383 is about 7427.8787685314. The cubic root of 55173383 is about 380.6944434399.

The spelling of 55173383 in words is "fifty-five million, one hundred seventy-three thousand, three hundred eighty-three".