56623381582 has 32 divisors (see below), whose sum is σ = 90063648000. Its totient is φ = 26624376000.

The previous prime is 56623381541. The next prime is 56623381583. The reversal of 56623381582 is 28518332665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56623381583) by changing a digit.

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, 10388794 + ... + 10394242.

It is an arithmetic number, because the mean of its divisors is an integer number (2814489000).

Almost surely, 2^56623381582 is an apocalyptic number.

56623381582 is a deficient number, since it is larger than the sum of its proper divisors (33440266418).

56623381582 is a wasteful number, since it uses less digits than its factorization.

56623381582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432.

The product of its digits is 2073600, while the sum is 49.

The spelling of 56623381582 in words is "fifty-six billion, six hundred twenty-three million, three hundred eighty-one thousand, five hundred eighty-two".