55781483873 has 8 divisors (see below), whose sum is σ = 57093472128. Its totient is φ = 54470165904.

The previous prime is 55781483851. The next prime is 55781483881. The reversal of 55781483873 is 37838418755.

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 55781483873 - 2²² = 55777289569 is a prime.

It is a super-2 number, since 2×55781483873² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55781483803) 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, 2840 + ... + 334022.

It is an arithmetic number, because the mean of its divisors is an integer number (7136684016).

Almost surely, 2^55781483873 is an apocalyptic number.

It is an amenable number.

55781483873 is a deficient number, since it is larger than the sum of its proper divisors (1311988255).

55781483873 is a wasteful number, since it uses less digits than its factorization.

55781483873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335143.

The product of its digits is 22579200, while the sum is 59.

The spelling of 55781483873 in words is "fifty-five billion, seven hundred eighty-one million, four hundred eighty-three thousand, eight hundred seventy-three".