55881783583 has 8 divisors (see below), whose sum is σ = 56682759168. Its totient is φ = 55083848664.

The previous prime is 55881783547. The next prime is 55881783599. The reversal of 55881783583 is 38538718855.

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 55881783583 - 2⁹ = 55881783071 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 (55881783883) 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, 723135 + ... + 796672.

It is an arithmetic number, because the mean of its divisors is an integer number (7085344896).

Almost surely, 2^55881783583 is an apocalyptic number.

55881783583 is a deficient number, since it is larger than the sum of its proper divisors (800975585).

55881783583 is a wasteful number, since it uses less digits than its factorization.

55881783583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520333.

The product of its digits is 32256000, while the sum is 61.

The spelling of 55881783583 in words is "fifty-five billion, eight hundred eighty-one million, seven hundred eighty-three thousand, five hundred eighty-three".