1983819055 has 8 divisors (see below), whose sum is σ = 2402831952. Its totient is φ = 1572222528.

The previous prime is 1983819049. The next prime is 1983819059. The reversal of 1983819055 is 5509183891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1983819055 - 2²⁵ = 1950264623 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 (1983819059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853502 + ... + 1854571.

It is an arithmetic number, because the mean of its divisors is an integer number (300353994).

Almost surely, 2^1983819055 is an apocalyptic number.

1983819055 is a deficient number, since it is larger than the sum of its proper divisors (419012897).

1983819055 is a wasteful number, since it uses less digits than its factorization.

1983819055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708185.

The product of its (nonzero) digits is 388800, while the sum is 49.

The square root of 1983819055 is about 44540.0836887404. The cubic root of 1983819055 is about 1256.5140597198.

The spelling of 1983819055 in words is "one billion, nine hundred eighty-three million, eight hundred nineteen thousand, fifty-five".