55005501812 has 24 divisors (see below), whose sum is σ = 96625972800. Its totient is φ = 27398238336.

The previous prime is 55005501797. The next prime is 55005501823. The reversal of 55005501812 is 21810550055.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1429943 + ... + 1467905.

It is an arithmetic number, because the mean of its divisors is an integer number (4026082200).

Almost surely, 2^55005501812 is an apocalyptic number.

It is an amenable number.

55005501812 is a deficient number, since it is larger than the sum of its proper divisors (41620470988).

55005501812 is a wasteful number, since it uses less digits than its factorization.

55005501812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39335 (or 39333 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 55005501812 in words is "fifty-five billion, five million, five hundred one thousand, eight hundred twelve".