56928258 has 40 divisors (see below), whose sum is σ = 128612352. Its totient is φ = 18819864.

The previous prime is 56928241. The next prime is 56928271. The reversal of 56928258 is 85282965.

56928258 is a `hidden beast` number, since 569 + 2 + 82 + 5 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19191 + ... + 21957.

Almost surely, 2^56928258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56928258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64306176).

56928258 is an abundant number, since it is smaller than the sum of its proper divisors (71684094).

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

56928258 is a wasteful number, since it uses less digits than its factorization.

56928258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2899 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 56928258 is about 7545.0817092991. The cubic root of 56928258 is about 384.6885838382.

The spelling of 56928258 in words is "fifty-six million, nine hundred twenty-eight thousand, two hundred fifty-eight".