56255166000 has 240 divisors, whose sum is σ = 214343165088. Its totient is φ = 13637568000.

The previous prime is 56255165999. The next prime is 56255166017. The reversal of 56255166000 is 66155265.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55942 + ... + 340058.

Almost surely, 2^56255166000 is an apocalyptic number.

56255166000 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 56255166000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107171582544).

56255166000 is an abundant number, since it is smaller than the sum of its proper divisors (158087999088).

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

56255166000 is a wasteful number, since it uses less digits than its factorization.

56255166000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284157 (or 284138 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 56255166000 in words is "fifty-six billion, two hundred fifty-five million, one hundred sixty-six thousand".