56278659 has 4 divisors (see below), whose sum is σ = 75038216. Its totient is φ = 37519104.

The previous prime is 56278657. The next prime is 56278669. The reversal of 56278659 is 95687265.

It is a happy number.

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

It is not a de Polignac number, because 56278659 - 2¹ = 56278657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56278657) 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, 9379774 + ... + 9379779.

It is an arithmetic number, because the mean of its divisors is an integer number (18759554).

Almost surely, 2^56278659 is an apocalyptic number.

56278659 is a deficient number, since it is larger than the sum of its proper divisors (18759557).

56278659 is a wasteful number, since it uses less digits than its factorization.

56278659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18759556.

The product of its digits is 907200, while the sum is 48.

The square root of 56278659 is about 7501.9103567025. The cubic root of 56278659 is about 383.2197767399.

The spelling of 56278659 in words is "fifty-six million, two hundred seventy-eight thousand, six hundred fifty-nine".