55756800000000 has 1458 divisors, whose sum is σ = 221311042450407. Its totient is φ = 13516800000000.

The previous prime is 55756799999993. The next prime is 55756800000023. The reversal of 55756800000000 is 865755.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

55756800000000 is a `hidden beast` number, since 5 + 575 + 6 + 80 + 0 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 53153198309376 + 2603601690624 = 7290624^2 + 1613568^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5280000.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5068799999995 + ... + 5068800000005.

Almost surely, 2^{55756800000000} is an apocalyptic number.

55756800000000 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 55756800000000

55756800000000 is an abundant number, since it is smaller than the sum of its proper divisors (165554242450407).

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

55756800000000 is an frugal number, since it uses more digits than its factorization.

55756800000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

Adding to 55756800000000 its reverse (865755), we get a palindrome (55756800865755).

The spelling of 55756800000000 in words is "fifty-five trillion, seven hundred fifty-six billion, eight hundred million", and thus it is an aban number.