55500550481 has 8 divisors (see below), whose sum is σ = 55928880000. Its totient is φ = 55073866000.

The previous prime is 55500550477. The next prime is 55500550507. The reversal of 55500550481 is 18405500555.

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 55500550481 - 2² = 55500550477 is a prime.

It is a super-2 number, since 2×55500550481² (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 (55500550421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343481 + ... + 478518.

It is an arithmetic number, because the mean of its divisors is an integer number (6991110000).

Almost surely, 2^55500550481 is an apocalyptic number.

It is an amenable number.

55500550481 is a deficient number, since it is larger than the sum of its proper divisors (428329519).

55500550481 is a wasteful number, since it uses less digits than its factorization.

55500550481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822519.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 55500550481 in words is "fifty-five billion, five hundred million, five hundred fifty thousand, four hundred eighty-one".