55333503555 has 32 divisors (see below), whose sum is σ = 96593983488. Its totient is φ = 26825068800.

The previous prime is 55333503553. The next prime is 55333503601. The reversal of 55333503555 is 55530533355.

It is not a de Polignac number, because 55333503555 - 2¹ = 55333503553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55333503553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826542 + ... + 1856588.

It is an arithmetic number, because the mean of its divisors is an integer number (3018561984).

Almost surely, 2^55333503555 is an apocalyptic number.

55333503555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55333503555 is a deficient number, since it is larger than the sum of its proper divisors (41260479933).

55333503555 is a wasteful number, since it uses less digits than its factorization.

55333503555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41227.

The product of its (nonzero) digits is 1265625, while the sum is 42.

The spelling of 55333503555 in words is "fifty-five billion, three hundred thirty-three million, five hundred three thousand, five hundred fifty-five".