55796428800 has 1170 divisors, whose sum is σ = 244074959304. Its totient is φ = 12342067200.

The previous prime is 55796428783. The next prime is 55796428817. The reversal of 55796428800 is 882469755.

55796428800 is a `hidden beast` number, since 5 + 57 + 96 + 428 + 80 + 0 = 666.

55796428800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55796428783) and next prime (55796428817).

It is a super-2 number, since 2×55796428800² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1799884785 + ... + 1799884815.

Almost surely, 2^55796428800 is an apocalyptic number.

55796428800 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 55796428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122037479652).

55796428800 is an abundant number, since it is smaller than the sum of its proper divisors (188278530504).

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

55796428800 is an equidigital number, since it uses as much as digits as its factorization.

55796428800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 55796428800 in words is "fifty-five billion, seven hundred ninety-six million, four hundred twenty-eight thousand, eight hundred".