56381768 has 16 divisors (see below), whose sum is σ = 105913980. Its totient is φ = 28138048.

The previous prime is 56381761. The next prime is 56381783. The reversal of 56381768 is 86718365.

It can be written as a sum of positive squares in 2 ways, for example, as 38217124 + 18164644 = 6182^2 + 4262^2 .

It is not an unprimeable number, because it can be changed into a prime (56381761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871 + ... + 10782.

Almost surely, 2^56381768 is an apocalyptic number.

It is an amenable number.

56381768 is a deficient number, since it is larger than the sum of its proper divisors (49532212).

56381768 is a wasteful number, since it uses less digits than its factorization.

56381768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216 (or 13212 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 56381768 is about 7508.7793948151. The cubic root of 56381768 is about 383.4536682490.

The spelling of 56381768 in words is "fifty-six million, three hundred eighty-one thousand, seven hundred sixty-eight".