55517003331 has 8 divisors (see below), whose sum is σ = 74406209040. Its totient is φ = 36819566592.

The previous prime is 55517003327. The next prime is 55517003357. The reversal of 55517003331 is 13330071555.

55517003331 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 55517003331 - 2² = 55517003327 is a prime.

It is a super-3 number, since 3×55517003331³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 55517003292 and 55517003301.

It is not an unprimeable number, because it can be changed into a prime (55517003371) 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, 47941566 + ... + 47942723.

It is an arithmetic number, because the mean of its divisors is an integer number (9300776130).

Almost surely, 2^55517003331 is an apocalyptic number.

55517003331 is a deficient number, since it is larger than the sum of its proper divisors (18889205709).

55517003331 is a wasteful number, since it uses less digits than its factorization.

55517003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95884485.

The product of its (nonzero) digits is 23625, while the sum is 33.

Adding to 55517003331 its reverse (13330071555), we get a palindrome (68847074886).

The spelling of 55517003331 in words is "fifty-five billion, five hundred seventeen million, three thousand, three hundred thirty-one".