55166241912 has 32 divisors (see below), whose sum is σ = 139804864080. Its totient is φ = 18136846080.

The previous prime is 55166241863. The next prime is 55166241919. The reversal of 55166241912 is 21914266155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55166241919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15742039 + ... + 15745542.

Almost surely, 2^55166241912 is an apocalyptic number.

It is an amenable number.

55166241912 is an abundant number, since it is smaller than the sum of its proper divisors (84638622168).

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

55166241912 is a wasteful number, since it uses less digits than its factorization.

55166241912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31487663 (or 31487659 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 55166241912 in words is "fifty-five billion, one hundred sixty-six million, two hundred forty-one thousand, nine hundred twelve".