55019678279112 has 48 divisors (see below), whose sum is σ = 149015116895580. Its totient is φ = 18339463440000.

The previous prime is 55019678279081. The next prime is 55019678279119. The reversal of 55019678279112 is 21197287691055.

55019678279112 is a `hidden beast` number, since 5 + 501 + 9 + 6 + 7 + 8 + 2 + 7 + 9 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46275557232996 + 8744121046116 = 6802614^2 + 2957046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55019678279112.

It is not an unprimeable number, because it can be changed into a prime (55019678279119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5839639 + ... + 12005862.

Almost surely, 2^{55019678279112} is an apocalyptic number.

It is an amenable number.

55019678279112 is an abundant number, since it is smaller than the sum of its proper divisors (93995438616468).

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

55019678279112 is a wasteful number, since it uses less digits than its factorization.

55019678279112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888334 (or 17888327 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 63.

The spelling of 55019678279112 in words is "fifty-five trillion, nineteen billion, six hundred seventy-eight million, two hundred seventy-nine thousand, one hundred twelve".