56428378 has 8 divisors (see below), whose sum is σ = 84997440. Its totient is φ = 28095900.

The previous prime is 56428369. The next prime is 56428391. The reversal of 56428378 is 87382465.

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

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, 58548 + ... + 59503.

It is an arithmetic number, because the mean of its divisors is an integer number (10624680).

Almost surely, 2^56428378 is an apocalyptic number.

56428378 is a deficient number, since it is larger than the sum of its proper divisors (28569062).

56428378 is a wasteful number, since it uses less digits than its factorization.

56428378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118292.

The product of its digits is 322560, while the sum is 43.

The square root of 56428378 is about 7511.8824538194. The cubic root of 56428378 is about 383.5593043634.

The spelling of 56428378 in words is "fifty-six million, four hundred twenty-eight thousand, three hundred seventy-eight".