56282778 has 12 divisors (see below), whose sum is σ = 121946058. Its totient is φ = 18760920.

The previous prime is 56282777. The next prime is 56282783. The reversal of 56282778 is 87728265.

56282778 is a `hidden beast` number, since 562 + 82 + 7 + 7 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 19158129 = 6093^2 + 4377^2 .

It is not an unprimeable number, because it can be changed into a prime (56282777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1563393 + ... + 1563428.

Almost surely, 2^56282778 is an apocalyptic number.

56282778 is an abundant number, since it is smaller than the sum of its proper divisors (65663280).

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

56282778 is a wasteful number, since it uses less digits than its factorization.

56282778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126829 (or 3126826 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 56282778 is about 7502.1848817528. The cubic root of 56282778 is about 383.2291257174.

The spelling of 56282778 in words is "fifty-six million, two hundred eighty-two thousand, seven hundred seventy-eight".