1813075055 has 16 divisors (see below), whose sum is σ = 2423983104. Its totient is φ = 1290542880.

The previous prime is 1813075051. The next prime is 1813075087. The reversal of 1813075055 is 5505703181.

It is not a de Polignac number, because 1813075055 - 2² = 1813075051 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 (1813075051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348107 + ... + 353276.

It is an arithmetic number, because the mean of its divisors is an integer number (151498944).

Almost surely, 2^1813075055 is an apocalyptic number.

1813075055 is a deficient number, since it is larger than the sum of its proper divisors (610908049).

1813075055 is a wasteful number, since it uses less digits than its factorization.

1813075055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701446.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 1813075055 is about 42580.2190576798. The cubic root of 1813075055 is about 1219.3786711230.

The spelling of 1813075055 in words is "one billion, eight hundred thirteen million, seventy-five thousand, fifty-five".