56613213854 has 16 divisors (see below), whose sum is σ = 87008732496. Its totient is φ = 27610584000.

The previous prime is 56613213829. The next prime is 56613213871. The reversal of 56613213854 is 45831231665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 350609 + ... + 485955.

It is an arithmetic number, because the mean of its divisors is an integer number (5438045781).

Almost surely, 2^56613213854 is an apocalyptic number.

56613213854 is a deficient number, since it is larger than the sum of its proper divisors (30395518642).

56613213854 is a wasteful number, since it uses less digits than its factorization.

56613213854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140491.

The product of its digits is 518400, while the sum is 44.

The spelling of 56613213854 in words is "fifty-six billion, six hundred thirteen million, two hundred thirteen thousand, eight hundred fifty-four".