56211170000 has 50 divisors (see below), whose sum is σ = 136092887898. Its totient is φ = 22484464000.

The previous prime is 56211169997. The next prime is 56211170011. The reversal of 56211170000 is 7111265.

It can be written as a sum of positive squares in 5 ways, for example, as 35505111184 + 20706058816 = 188428^2 + 143896^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2800559 + ... + 2820558.

Almost surely, 2^56211170000 is an apocalyptic number.

56211170000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56211170000 is an abundant number, since it is smaller than the sum of its proper divisors (79881717898).

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

56211170000 is an equidigital number, since it uses as much as digits as its factorization.

56211170000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621145 (or 5621124 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 56211170000 its reverse (7111265), we get a palindrome (56218281265).

The spelling of 56211170000 in words is "fifty-six billion, two hundred eleven million, one hundred seventy thousand".