56310021210 has 32 divisors (see below), whose sum is σ = 135552364992. Its totient is φ = 14970637440.

The previous prime is 56310021151. The next prime is 56310021217. The reversal of 56310021210 is 1212001365.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56310021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825419 + ... + 2845278.

It is an arithmetic number, because the mean of its divisors is an integer number (4236011406).

Almost surely, 2^56310021210 is an apocalyptic number.

56310021210 is an abundant number, since it is smaller than the sum of its proper divisors (79242343782).

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

56310021210 is a wasteful number, since it uses less digits than its factorization.

56310021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671038.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 56310021210 its reverse (1212001365), we get a palindrome (57522022575).

The spelling of 56310021210 in words is "fifty-six billion, three hundred ten million, twenty-one thousand, two hundred ten".