55206708012 has 72 divisors (see below), whose sum is σ = 140857516800. Its totient is φ = 18230340960.

The previous prime is 55206707903. The next prime is 55206708017. The reversal of 55206708012 is 21080760255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55206708017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2815113 + ... + 2834655.

It is an arithmetic number, because the mean of its divisors is an integer number (1956354400).

Almost surely, 2^55206708012 is an apocalyptic number.

It is an amenable number.

55206708012 is an abundant number, since it is smaller than the sum of its proper divisors (85650808788).

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

55206708012 is a wasteful number, since it uses less digits than its factorization.

55206708012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283 (or 20278 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 55206708012 in words is "fifty-five billion, two hundred six million, seven hundred eight thousand, twelve".