55161506105 has 8 divisors (see below), whose sum is σ = 66199161600. Its totient is φ = 44125635376.

The previous prime is 55161506083. The next prime is 55161506107. The reversal of 55161506105 is 50160516155.

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

It is a cyclic number.

It is not a de Polignac number, because 55161506105 - 2¹² = 55161502009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55161506107) 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, 377225 + ... + 502614.

It is an arithmetic number, because the mean of its divisors is an integer number (8274895200).

Almost surely, 2^55161506105 is an apocalyptic number.

It is an amenable number.

55161506105 is a deficient number, since it is larger than the sum of its proper divisors (11037655495).

55161506105 is a wasteful number, since it uses less digits than its factorization.

55161506105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892383.

The product of its (nonzero) digits is 22500, while the sum is 35.

It can be divided in two parts, 5516150 and 6105, that added together give a palindrome (5522255).

The spelling of 55161506105 in words is "fifty-five billion, one hundred sixty-one million, five hundred six thousand, one hundred five".