56501678 has 8 divisors (see below), whose sum is σ = 84795672. Its totient is φ = 28236456.

The previous prime is 56501651. The next prime is 56501681. The reversal of 56501678 is 87610565.

It is a happy number.

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

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 10712.

It is an arithmetic number, because the mean of its divisors is an integer number (10599459).

Almost surely, 2^56501678 is an apocalyptic number.

56501678 is a deficient number, since it is larger than the sum of its proper divisors (28293994).

56501678 is a wasteful number, since it uses less digits than its factorization.

56501678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 56501678 is about 7516.7598072574. The cubic root of 56501678 is about 383.7253126327.

The spelling of 56501678 in words is "fifty-six million, five hundred one thousand, six hundred seventy-eight".