55281655383 has 8 divisors (see below), whose sum is σ = 73710294768. Its totient is φ = 36853726464.

The previous prime is 55281655379. The next prime is 55281655397. The reversal of 55281655383 is 38355618255.

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

It is not a de Polignac number, because 55281655383 - 2² = 55281655379 is a prime.

It is a super-2 number, since 2×55281655383² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55281655483) 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, 43141 + ... + 335297.

It is an arithmetic number, because the mean of its divisors is an integer number (9213786846).

Almost surely, 2^55281655383 is an apocalyptic number.

55281655383 is a deficient number, since it is larger than the sum of its proper divisors (18428639385).

55281655383 is a wasteful number, since it uses less digits than its factorization.

55281655383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355233.

The product of its digits is 4320000, while the sum is 51.

The spelling of 55281655383 in words is "fifty-five billion, two hundred eighty-one million, six hundred fifty-five thousand, three hundred eighty-three".