55055533555 has 8 divisors (see below), whose sum is σ = 72072698544. Its totient is φ = 40040388000.

The previous prime is 55055533553. The next prime is 55055533571. The reversal of 55055533555 is 55533555055.

55055533555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55055533555 - 2¹ = 55055533553 is a prime.

It is a super-2 number, since 2×55055533555² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055533553) 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, 500504796 + ... + 500504905.

It is an arithmetic number, because the mean of its divisors is an integer number (9009087318).

Almost surely, 2^55055533555 is an apocalyptic number.

55055533555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55055533555 is a deficient number, since it is larger than the sum of its proper divisors (17017164989).

55055533555 is a wasteful number, since it uses less digits than its factorization.

55055533555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001009717.

The product of its (nonzero) digits is 3515625, while the sum is 46.

The spelling of 55055533555 in words is "fifty-five billion, fifty-five million, five hundred thirty-three thousand, five hundred fifty-five".