56687043 has 8 divisors (see below), whose sum is σ = 86380288. Its totient is φ = 32392584.

The previous prime is 56687021. The next prime is 56687047. The reversal of 56687043 is 34078665.

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

It is not a de Polignac number, because 56687043 - 2¹⁴ = 56670659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56686992 and 56687010.

It is not an unprimeable number, because it can be changed into a prime (56687047) 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, 1349671 + ... + 1349712.

It is an arithmetic number, because the mean of its divisors is an integer number (10797536).

Almost surely, 2^56687043 is an apocalyptic number.

56687043 is a deficient number, since it is larger than the sum of its proper divisors (29693245).

56687043 is a wasteful number, since it uses less digits than its factorization.

56687043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699393.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56687043 is about 7529.0798242548. The cubic root of 56687043 is about 384.1444836615.

The spelling of 56687043 in words is "fifty-six million, six hundred eighty-seven thousand, forty-three".