55340236800 has 612 divisors, whose sum is σ = 207060722960. Its totient is φ = 14651228160.

The previous prime is 55340236771. The next prime is 55340236807. The reversal of 55340236800 is 863204355.

It is a happy number.

55340236800 is a `hidden beast` number, since 5 + 5 + 340 + 236 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (55340236807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 398131131 + ... + 398131269.

Almost surely, 2^55340236800 is an apocalyptic number.

55340236800 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 55340236800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103530361480).

55340236800 is an abundant number, since it is smaller than the sum of its proper divisors (151720486160).

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

55340236800 is an frugal number, since it uses more digits than its factorization.

55340236800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 55340236800 in words is "fifty-five billion, three hundred forty million, two hundred thirty-six thousand, eight hundred".