55421314522012 has 12 divisors (see below), whose sum is σ = 98434872061960. Its totient is φ = 27297065361456.

The previous prime is 55421314522009. The next prime is 55421314522037. The reversal of 55421314522012 is 21022541312455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103397974587 + ... + 103397975122.

Almost surely, 2^{55421314522012} is an apocalyptic number.

It is an amenable number.

55421314522012 is a deficient number, since it is larger than the sum of its proper divisors (43013557539948).

55421314522012 is a wasteful number, since it uses less digits than its factorization.

55421314522012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206795949780 (or 206795949778 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 55421314522012 its reverse (21022541312455), we get a palindrome (76443855834467).

The spelling of 55421314522012 in words is "fifty-five trillion, four hundred twenty-one billion, three hundred fourteen million, five hundred twenty-two thousand, twelve".