55116132 has 12 divisors (see below), whose sum is σ = 128604336. Its totient is φ = 18372040.

The previous prime is 55116071. The next prime is 55116133. The reversal of 55116132 is 23161155.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55116133) 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, 2296494 + ... + 2296517.

It is an arithmetic number, because the mean of its divisors is an integer number (10717028).

Almost surely, 2^55116132 is an apocalyptic number.

It is an amenable number.

55116132 is an abundant number, since it is smaller than the sum of its proper divisors (73488204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55116132 is a wasteful number, since it uses less digits than its factorization.

55116132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593018 (or 4593016 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 55116132 is about 7424.0239762544. The cubic root of 55116132 is about 380.5627212256.

Adding to 55116132 its reverse (23161155), we get a palindrome (78277287).

The spelling of 55116132 in words is "fifty-five million, one hundred sixteen thousand, one hundred thirty-two".