555383 has 2 divisors, whose sum is σ = 555384. Its totient is φ = 555382.

The previous prime is 555361. The next prime is 555391. The reversal of 555383 is 383555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555383 - 2¹⁶ = 489847 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555383.

It is not a weakly prime, because it can be changed into another prime (555083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277691 + 277692.

It is an arithmetic number, because the mean of its divisors is an integer number (277692).

2⁵⁵⁵³⁸³ is an apocalyptic number.

555383 is a deficient number, since it is larger than the sum of its proper divisors (1).

555383 is an equidigital number, since it uses as much as digits as its factorization.

555383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 555383 is about 745.2402297246. The cubic root of 555383 is about 82.1985570911.

It can be divided in two parts, 55 and 5383, that multiplied together give a triangular number (296065 = T₇₆₉).

The spelling of 555383 in words is "five hundred fifty-five thousand, three hundred eighty-three".