55804140000 has 1800 divisors, whose sum is σ = 257908349160. Its totient is φ = 11757312000.

The previous prime is 55804139977. The next prime is 55804140017. The reversal of 55804140000 is 4140855.

55804140000 is a `hidden beast` number, since 5 + 580 + 41 + 40 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a super-2 number, since 2×55804140000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 1508219982 + ... + 1508220018.

Almost surely, 2^55804140000 is an apocalyptic number.

55804140000 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 55804140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128954174580).

55804140000 is an abundant number, since it is smaller than the sum of its proper divisors (202104209160).

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

55804140000 is a wasteful number, since it uses less digits than its factorization.

55804140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 55804140000 its reverse (4140855), we get a palindrome (55808280855).

The spelling of 55804140000 in words is "fifty-five billion, eight hundred four million, one hundred forty thousand".