55108106761 has 4 divisors (see below), whose sum is σ = 55119283012. Its totient is φ = 55096930512.

The previous prime is 55108106741. The next prime is 55108106783. The reversal of 55108106761 is 16760180155.

55108106761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25646100736 + 29462006025 = 160144^2 + 171645^2 .

It is a cyclic number.

It is not a de Polignac number, because 55108106761 - 2¹¹ = 55108104713 is a prime.

It is a super-2 number, since 2×55108106761² (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 (55108106701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580726 + ... + 5590591.

It is an arithmetic number, because the mean of its divisors is an integer number (13779820753).

Almost surely, 2^55108106761 is an apocalyptic number.

It is an amenable number.

55108106761 is a deficient number, since it is larger than the sum of its proper divisors (11176251).

55108106761 is a wasteful number, since it uses less digits than its factorization.

55108106761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176250.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 55108106761 in words is "fifty-five billion, one hundred eight million, one hundred six thousand, seven hundred sixty-one".