56143347 has 16 divisors (see below), whose sum is σ = 84860160. Its totient is φ = 32730912.

The previous prime is 56143327. The next prime is 56143361. The reversal of 56143347 is 74334165.

It is not a de Polignac number, because 56143347 - 2¹⁰ = 56142323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56143327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37143 + ... + 38624.

It is an arithmetic number, because the mean of its divisors is an integer number (5303760).

Almost surely, 2^56143347 is an apocalyptic number.

56143347 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56143347 is a deficient number, since it is larger than the sum of its proper divisors (28716813).

56143347 is a wasteful number, since it uses less digits than its factorization.

56143347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75802.

The product of its digits is 30240, while the sum is 33.

The square root of 56143347 is about 7492.8864264714. The cubic root of 56143347 is about 382.9124023933.

The spelling of 56143347 in words is "fifty-six million, one hundred forty-three thousand, three hundred forty-seven".