55162060243 has 4 divisors (see below), whose sum is σ = 55164382000. Its totient is φ = 55159738488.

The previous prime is 55162060231. The next prime is 55162060301. The reversal of 55162060243 is 34206026155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55162060243 is a prime.

It is a super-2 number, since 2×55162060243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55162060199 and 55162060208.

It is not an unprimeable number, because it can be changed into a prime (55562060243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124868 + ... + 1172881.

It is an arithmetic number, because the mean of its divisors is an integer number (13791095500).

Almost surely, 2^55162060243 is an apocalyptic number.

55162060243 is a deficient number, since it is larger than the sum of its proper divisors (2321757).

55162060243 is a wasteful number, since it uses less digits than its factorization.

55162060243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321756.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 55162060243 its reverse (34206026155), we get a palindrome (89368086398).

The spelling of 55162060243 in words is "fifty-five billion, one hundred sixty-two million, sixty thousand, two hundred forty-three".