56471678 has 8 divisors (see below), whose sum is σ = 86773680. Its totient is φ = 27547120.

The previous prime is 56471651. The next prime is 56471683. The reversal of 56471678 is 87617465.

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

It is a super-2 number, since 2×56471678² = 6378100832271368, which contains 22 as substring.

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, 344258 + ... + 344421.

It is an arithmetic number, because the mean of its divisors is an integer number (10846710).

Almost surely, 2^56471678 is an apocalyptic number.

56471678 is a deficient number, since it is larger than the sum of its proper divisors (30302002).

56471678 is a wasteful number, since it uses less digits than its factorization.

56471678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688722.

The product of its digits is 282240, while the sum is 44.

The square root of 56471678 is about 7514.7640016171. The cubic root of 56471678 is about 383.6573866418.

The spelling of 56471678 in words is "fifty-six million, four hundred seventy-one thousand, six hundred seventy-eight".