55000055005012 has 48 divisors (see below), whose sum is σ = 109759372364880. Its totient is φ = 23889656512512.

The previous prime is 55000055005009. The next prime is 55000055005013. The reversal of 55000055005012 is 21050055000055.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 587804355856 + 54412250649156 = 766684^2 + 7376466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000055005013) 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, 9668664 + ... + 14264752.

It is an arithmetic number, because the mean of its divisors is an integer number (2286653590935).

Almost surely, 2^{55000055005012} is an apocalyptic number.

55000055005012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55000055005012 is a deficient number, since it is larger than the sum of its proper divisors (54759317359868).

55000055005012 is a wasteful number, since it uses less digits than its factorization.

55000055005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609660 (or 4609658 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The spelling of 55000055005012 in words is "fifty-five trillion, fifty-five million, five thousand, twelve".