56178043 has 4 divisors (see below), whose sum is σ = 56198968. Its totient is φ = 56157120.

The previous prime is 56178037. The next prime is 56178049. The reversal of 56178043 is 34087165.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56178037) and next prime (56178049).

It is a cyclic number.

It is not a de Polignac number, because 56178043 - 2⁹ = 56177531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56178049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (14049742).

Almost surely, 2^56178043 is an apocalyptic number.

56178043 is a deficient number, since it is larger than the sum of its proper divisors (20925).

56178043 is a wasteful number, since it uses less digits than its factorization.

56178043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20924.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56178043 is about 7495.2013315187. The cubic root of 56178043 is about 382.9912647672.

The spelling of 56178043 in words is "fifty-six million, one hundred seventy-eight thousand, forty-three".