56866258 has 16 divisors (see below), whose sum is σ = 94245120. Its totient is φ = 25596736.

The previous prime is 56866247. The next prime is 56866267. The reversal of 56866258 is 85266865.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35578 + ... + 37141.

It is an arithmetic number, because the mean of its divisors is an integer number (5890320).

Almost surely, 2^56866258 is an apocalyptic number.

56866258 is a deficient number, since it is larger than the sum of its proper divisors (37378862).

56866258 is a wasteful number, since it uses less digits than its factorization.

56866258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72761.

The product of its digits is 691200, while the sum is 46.

The square root of 56866258 is about 7540.9719532697. The cubic root of 56866258 is about 384.5488796047.

The spelling of 56866258 in words is "fifty-six million, eight hundred sixty-six thousand, two hundred fifty-eight".