55020500012 has 12 divisors (see below), whose sum is σ = 96394433520. Its totient is φ = 27479233296.

The previous prime is 55020500011. The next prime is 55020500047. The reversal of 55020500012 is 21000502055.

It is not an unprimeable number, because it can be changed into a prime (55020500011) 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 3 ways as a sum of consecutive naturals, for example, 7750187 + ... + 7757282.

It is an arithmetic number, because the mean of its divisors is an integer number (8032869460).

Almost surely, 2^55020500012 is an apocalyptic number.

It is an amenable number.

55020500012 is a deficient number, since it is larger than the sum of its proper divisors (41373933508).

55020500012 is a wasteful number, since it uses less digits than its factorization.

55020500012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15508360 (or 15508358 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The spelling of 55020500012 in words is "fifty-five billion, twenty million, five hundred thousand, twelve".