55112263512 has 64 divisors (see below), whose sum is σ = 149710771200. Its totient is φ = 16842453120.

The previous prime is 55112263463. The next prime is 55112263517. The reversal of 55112263512 is 21536221155.

It is a super-2 number, since 2×55112263512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112263517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935223 + ... + 1963494.

It is an arithmetic number, because the mean of its divisors is an integer number (2339230800).

Almost surely, 2^55112263512 is an apocalyptic number.

It is an amenable number.

55112263512 is an abundant number, since it is smaller than the sum of its proper divisors (94598507688).

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

55112263512 is a wasteful number, since it uses less digits than its factorization.

55112263512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898776 (or 3898772 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

Adding to 55112263512 its reverse (21536221155), we get a palindrome (76648484667).

The spelling of 55112263512 in words is "fifty-five billion, one hundred twelve million, two hundred sixty-three thousand, five hundred twelve".