55155298766 has 32 divisors (see below), whose sum is σ = 88396634880. Its totient is φ = 25753190400.

The previous prime is 55155298753. The next prime is 55155298777. The reversal of 55155298766 is 66789255155.

55155298766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55155298766³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (59) 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582926 + ... + 3598286.

It is an arithmetic number, because the mean of its divisors is an integer number (2762394840).

Almost surely, 2^55155298766 is an apocalyptic number.

55155298766 is a deficient number, since it is larger than the sum of its proper divisors (33241336114).

55155298766 is a wasteful number, since it uses less digits than its factorization.

55155298766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420.

The product of its digits is 22680000, while the sum is 59.

The spelling of 55155298766 in words is "fifty-five billion, one hundred fifty-five million, two hundred ninety-eight thousand, seven hundred sixty-six".