55020876800 has 132 divisors (see below), whose sum is σ = 137158498080. Its totient is φ = 21883576320.

The previous prime is 55020876797. The next prime is 55020876809. The reversal of 55020876800 is 867802055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020876809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4576397 + ... + 4588403.

Almost surely, 2^55020876800 is an apocalyptic number.

55020876800 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 55020876800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68579249040).

55020876800 is an abundant number, since it is smaller than the sum of its proper divisors (82137621280).

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

55020876800 is a wasteful number, since it uses less digits than its factorization.

55020876800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216 (or 12193 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 55020876800 in words is "fifty-five billion, twenty million, eight hundred seventy-six thousand, eight hundred".