55300520000000 has 320 divisors, whose sum is σ = 150673128338304. Its totient is φ = 20109120000000.

The previous prime is 55300519999987. The next prime is 55300520000059. The reversal of 55300520000000 is 2500355.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439937159 + ... + 440062841.

Almost surely, 2^{55300520000000} is an apocalyptic number.

55300520000000 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 55300520000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75336564169152).

55300520000000 is an abundant number, since it is smaller than the sum of its proper divisors (95372608338304).

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

55300520000000 is an frugal number, since it uses more digits than its factorization.

55300520000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125747 (or 125701 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

Adding to 55300520000000 its reverse (2500355), we get a palindrome (55300522500355).

The spelling of 55300520000000 in words is "fifty-five trillion, three hundred billion, five hundred twenty million", and thus it is an aban number.