56147 has 8 divisors (see below), whose sum is σ = 69216. Its totient is φ = 44352.

The previous prime is 56131. The next prime is 56149. The reversal of 56147 is 74165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56147 - 2⁴ = 56131 is a prime.

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

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (56149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218 + ... + 399.

It is an arithmetic number, because the mean of its divisors is an integer number (8652).

2⁵⁶¹⁴⁷ is an apocalyptic number.

56147 is a deficient number, since it is larger than the sum of its proper divisors (13069).

56147 is a wasteful number, since it uses less digits than its factorization.

56147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its digits is 840, while the sum is 23.

The square root of 56147 is about 236.9535819522. The cubic root of 56147 is about 38.2920707020.

The spelling of 56147 in words is "fifty-six thousand, one hundred forty-seven".