56605798 has 4 divisors (see below), whose sum is σ = 84908700. Its totient is φ = 28302898.

The previous prime is 56605793. The next prime is 56605799. The reversal of 56605798 is 89750665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89750665 = 5 ⋅17950133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56605793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14151448 + ... + 14151451.

It is an arithmetic number, because the mean of its divisors is an integer number (21227175).

Almost surely, 2^56605798 is an apocalyptic number.

56605798 is a deficient number, since it is larger than the sum of its proper divisors (28302902).

56605798 is a wasteful number, since it uses less digits than its factorization.

56605798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28302901.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 56605798 is about 7523.6824760220. The cubic root of 56605798 is about 383.9608747391.

The spelling of 56605798 in words is "fifty-six million, six hundred five thousand, seven hundred ninety-eight".