56553634500 has 192 divisors, whose sum is σ = 179992350720. Its totient is φ = 13684272000.

The previous prime is 56553634453. The next prime is 56553634513. The reversal of 56553634500 is 543635565.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9682581 + ... + 9688419.

It is an arithmetic number, because the mean of its divisors is an integer number (937460160).

Almost surely, 2^56553634500 is an apocalyptic number.

56553634500 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 56553634500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89996175360).

56553634500 is an abundant number, since it is smaller than the sum of its proper divisors (123438716220).

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

56553634500 is a wasteful number, since it uses less digits than its factorization.

56553634500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 56553634500 in words is "fifty-six billion, five hundred fifty-three million, six hundred thirty-four thousand, five hundred".