56798478 has 48 divisors (see below), whose sum is σ = 137897136. Its totient is φ = 16744320.

The previous prime is 56798459. The next prime is 56798519. The reversal of 56798478 is 87489765.

56798478 is a `hidden beast` number, since 567 + 9 + 8 + 4 + 78 = 666.

56798478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450 + ... + 11202.

It is an arithmetic number, because the mean of its divisors is an integer number (2872857).

Almost surely, 2^56798478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56798478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68948568).

56798478 is an abundant number, since it is smaller than the sum of its proper divisors (81098658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56798478 is a wasteful number, since it uses less digits than its factorization.

56798478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809 (or 7806 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 56798478 is about 7536.4764976745. The cubic root of 56798478 is about 384.3960350971.

The spelling of 56798478 in words is "fifty-six million, seven hundred ninety-eight thousand, four hundred seventy-eight".