55160663 has 4 divisors (see below), whose sum is σ = 55176168. Its totient is φ = 55145160.

The previous prime is 55160659. The next prime is 55160711. The reversal of 55160663 is 36606155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36606155 = 5 ⋅7321231.

It is a cyclic number.

It is not a de Polignac number, because 55160663 - 2² = 55160659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55160263) 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, 545 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (13794042).

Almost surely, 2^55160663 is an apocalyptic number.

55160663 is a deficient number, since it is larger than the sum of its proper divisors (15505).

55160663 is an equidigital number, since it uses as much as digits as its factorization.

55160663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55160663 is about 7427.0224854917. The cubic root of 55160663 is about 380.6651853373.

The spelling of 55160663 in words is "fifty-five million, one hundred sixty thousand, six hundred sixty-three".