56143616 has 18 divisors (see below), whose sum is σ = 112068432. Its totient is φ = 28071680.

The previous prime is 56143597. The next prime is 56143627. The reversal of 56143616 is 61634165.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 109400 + ... + 109911.

It is an arithmetic number, because the mean of its divisors is an integer number (6226024).

Almost surely, 2^56143616 is an apocalyptic number.

It is an amenable number.

56143616 is a deficient number, since it is larger than the sum of its proper divisors (55924816).

56143616 is an equidigital number, since it uses as much as digits as its factorization.

56143616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219327 (or 219313 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 56143616 is about 7492.9043768088. The cubic root of 56143616 is about 382.9130139426.

The spelling of 56143616 in words is "fifty-six million, one hundred forty-three thousand, six hundred sixteen".