57216010000 has 50 divisors (see below), whose sum is σ = 138525706022. Its totient is φ = 22886400000.

The previous prime is 57216009833. The next prime is 57216010001. The reversal of 57216010000 is 1061275.

It can be written as a sum of positive squares in 5 ways, for example, as 31337496576 + 25878513424 = 177024^2 + 160868^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57216010001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2850801 + ... + 2870800.

Almost surely, 2^57216010000 is an apocalyptic number.

57216010000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57216010000 is an abundant number, since it is smaller than the sum of its proper divisors (81309696022).

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

57216010000 is an equidigital number, since it uses as much as digits as its factorization.

57216010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721629 (or 5721608 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 57216010000 its reverse (1061275), we get a palindrome (57217071275).

The spelling of 57216010000 in words is "fifty-seven billion, two hundred sixteen million, ten thousand".