56055103500 has 384 divisors, whose sum is σ = 183866941440. Its totient is φ = 13154400000.

The previous prime is 56055103477. The next prime is 56055103513. The reversal of 56055103500 is 530155065.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 69118095 + ... + 69118905.

It is an arithmetic number, because the mean of its divisors is an integer number (478820160).

Almost surely, 2^56055103500 is an apocalyptic number.

56055103500 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 56055103500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91933470720).

56055103500 is an abundant number, since it is smaller than the sum of its proper divisors (127811837940).

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

56055103500 is a wasteful number, since it uses less digits than its factorization.

56055103500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 56055103500 its reverse (530155065), we get a palindrome (56585258565).

The spelling of 56055103500 in words is "fifty-six billion, fifty-five million, one hundred three thousand, five hundred".