56066501000 has 64 divisors (see below), whose sum is σ = 131572350000. Its totient is φ = 22362201600.

The previous prime is 56066500991. The next prime is 56066501027. The reversal of 56066501000 is 10566065.

It can be written as a sum of positive squares in 8 ways, for example, as 14027559844 + 42038941156 = 118438^2 + 205034^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268676 + ... + 429324.

Almost surely, 2^56066501000 is an apocalyptic number.

56066501000 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 56066501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65786175000).

56066501000 is an abundant number, since it is smaller than the sum of its proper divisors (75505849000).

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

56066501000 is a wasteful number, since it uses less digits than its factorization.

56066501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161019 (or 161005 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 56066501000 in words is "fifty-six billion, sixty-six million, five hundred one thousand".