1683553255 has 4 divisors (see below), whose sum is σ = 2020263912. Its totient is φ = 1346842600.

The previous prime is 1683553253. The next prime is 1683553271. The reversal of 1683553255 is 5523553861.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1683553255 - 2¹ = 1683553253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683553253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168355321 + ... + 168355330.

It is an arithmetic number, because the mean of its divisors is an integer number (505065978).

Almost surely, 2^1683553255 is an apocalyptic number.

1683553255 is a deficient number, since it is larger than the sum of its proper divisors (336710657).

1683553255 is an equidigital number, since it uses as much as digits as its factorization.

1683553255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336710656.

The product of its digits is 540000, while the sum is 43.

The square root of 1683553255 is about 41031.1254415474. The cubic root of 1683553255 is about 1189.6219063403.

The spelling of 1683553255 in words is "one billion, six hundred eighty-three million, five hundred fifty-three thousand, two hundred fifty-five".