56305968390 has 96 divisors (see below), whose sum is σ = 168530656320. Its totient is φ = 12775974912.

The previous prime is 56305968359. The next prime is 56305968401. The reversal of 56305968390 is 9386950365.

It is a congruent number.

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, 239875 + ... + 412494.

It is an arithmetic number, because the mean of its divisors is an integer number (1755527670).

Almost surely, 2^56305968390 is an apocalyptic number.

56305968390 is an abundant number, since it is smaller than the sum of its proper divisors (112224687930).

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

56305968390 is a wasteful number, since it uses less digits than its factorization.

56305968390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652526 (or 652523 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 56305968390 in words is "fifty-six billion, three hundred five million, nine hundred sixty-eight thousand, three hundred ninety".