55162443 has 16 divisors (see below), whose sum is σ = 85847040. Its totient is φ = 30850176.

The previous prime is 55162439. The next prime is 55162447. The reversal of 55162443 is 34426155.

55162443 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (55162439) and next prime (55162447).

It is not a de Polignac number, because 55162443 - 2² = 55162439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55162443.

It is not an unprimeable number, because it can be changed into a prime (55162447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26958 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (5365440).

Almost surely, 2^55162443 is an apocalyptic number.

55162443 is a deficient number, since it is larger than the sum of its proper divisors (30684597).

55162443 is a wasteful number, since it uses less digits than its factorization.

55162443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55946.

The product of its digits is 14400, while the sum is 30.

The square root of 55162443 is about 7427.1423172038. The cubic root of 55162443 is about 380.6692799022.

Adding to 55162443 its reverse (34426155), we get a palindrome (89588598).

The spelling of 55162443 in words is "fifty-five million, one hundred sixty-two thousand, four hundred forty-three".