55867392000 has 720 divisors, whose sum is σ = 230719524672. Its totient is φ = 12740198400.

The previous prime is 55867391999. The next prime is 55867392017. The reversal of 55867392000 is 29376855.

It is a happy number.

55867392000 is a `hidden beast` number, since 558 + 6 + 7 + 3 + 92 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129023784 + ... + 129024216.

Almost surely, 2^55867392000 is an apocalyptic number.

55867392000 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 55867392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115359762336).

55867392000 is an abundant number, since it is smaller than the sum of its proper divisors (174852132672).

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

55867392000 is an equidigital number, since it uses as much as digits as its factorization.

55867392000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 55867392000 in words is "fifty-five billion, eight hundred sixty-seven million, three hundred ninety-two thousand".