56558275774 has 48 divisors (see below), whose sum is σ = 115941668976. Its totient is φ = 20340633600.

The previous prime is 56558275769. The next prime is 56558275793. The reversal of 56558275774 is 47757285565.

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 23 ways as a sum of consecutive naturals, for example, 2003907 + ... + 2031934.

It is an arithmetic number, because the mean of its divisors is an integer number (2415451437).

Almost surely, 2^56558275774 is an apocalyptic number.

56558275774 is an abundant number, since it is smaller than the sum of its proper divisors (59383393202).

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

56558275774 is a wasteful number, since it uses less digits than its factorization.

56558275774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035881 (or 4035874 counting only the distinct ones).

The product of its digits is 82320000, while the sum is 61.

The spelling of 56558275774 in words is "fifty-six billion, five hundred fifty-eight million, two hundred seventy-five thousand, seven hundred seventy-four".