55385694000000 has 5040 divisors, whose sum is σ = 270850401039240. Its totient is φ = 10998374400000.

The previous prime is 55385693999969. The next prime is 55385694000011. The reversal of 55385694000000 is 49658355.

55385694000000 is a `hidden beast` number, since 55 + 38 + 569 + 4 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5040).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55385694000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 629 ways as a sum of consecutive naturals, for example, 3257981999992 + ... + 3257982000008.

Almost surely, 2^{55385694000000} is an apocalyptic number.

55385694000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55385694000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135425200519620).

55385694000000 is an abundant number, since it is smaller than the sum of its proper divisors (215464707039240).

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

55385694000000 is an frugal number, since it uses more digits than its factorization.

55385694000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 55385694000000 in words is "fifty-five trillion, three hundred eighty-five billion, six hundred ninety-four million", and thus it is an aban number.