56671478 has 4 divisors (see below), whose sum is σ = 85007220. Its totient is φ = 28335738.

The previous prime is 56671477. The next prime is 56671493. The reversal of 56671478 is 87417665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14167868 + ... + 14167871.

It is an arithmetic number, because the mean of its divisors is an integer number (21251805).

Almost surely, 2^56671478 is an apocalyptic number.

56671478 is a deficient number, since it is larger than the sum of its proper divisors (28335742).

56671478 is a wasteful number, since it uses less digits than its factorization.

56671478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28335741.

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

The square root of 56671478 is about 7528.0460944391. The cubic root of 56671478 is about 384.1093212687.

The spelling of 56671478 in words is "fifty-six million, six hundred seventy-one thousand, four hundred seventy-eight".