56143550312 has 32 divisors (see below), whose sum is σ = 106489355400. Its totient is φ = 27746611200.

The previous prime is 56143550291. The next prime is 56143550381. The reversal of 56143550312 is 21305534165.

It can be written as a sum of positive squares in 4 ways, for example, as 29602578916 + 26540971396 = 172054^2 + 162914^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2281112 + ... + 2305592.

Almost surely, 2^56143550312 is an apocalyptic number.

It is an amenable number.

56143550312 is a deficient number, since it is larger than the sum of its proper divisors (50345805088).

56143550312 is a wasteful number, since it uses less digits than its factorization.

56143550312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27797 (or 27793 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 56143550312 in words is "fifty-six billion, one hundred forty-three million, five hundred fifty thousand, three hundred twelve".