56143646 has 16 divisors (see below), whose sum is σ = 90921264. Its totient is φ = 25847424.

The previous prime is 56143627. The next prime is 56143663. The reversal of 56143646 is 64634165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8765 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (5682579).

Almost surely, 2^56143646 is an apocalyptic number.

56143646 is a deficient number, since it is larger than the sum of its proper divisors (34777618).

56143646 is a wasteful number, since it uses less digits than its factorization.

56143646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435.

The product of its digits is 51840, while the sum is 35.

The square root of 56143646 is about 7492.9063787025. The cubic root of 56143646 is about 382.9130821450.

The spelling of 56143646 in words is "fifty-six million, one hundred forty-three thousand, six hundred forty-six".