55281603822 has 8 divisors (see below), whose sum is σ = 110563207656. Its totient is φ = 18427201272.

The previous prime is 55281603803. The next prime is 55281603827. The reversal of 55281603822 is 22830618255.

It is a happy number.

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

55281603822 is an admirable number.

It is a super-2 number, since 2×55281603822² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55281603827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4606800313 + ... + 4606800324.

It is an arithmetic number, because the mean of its divisors is an integer number (13820400957).

Almost surely, 2^55281603822 is an apocalyptic number.

55281603822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55281603822 is a wasteful number, since it uses less digits than its factorization.

55281603822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213600642.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 55281603822 in words is "fifty-five billion, two hundred eighty-one million, six hundred three thousand, eight hundred twenty-two".