56603218 has 8 divisors (see below), whose sum is σ = 97034112. Its totient is φ = 24258516.

The previous prime is 56603213. The next prime is 56603221. The reversal of 56603218 is 81230665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56603218.

It is not an unprimeable number, because it can be changed into a prime (56603213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021530 + ... + 2021557.

It is an arithmetic number, because the mean of its divisors is an integer number (12129264).

Almost surely, 2^56603218 is an apocalyptic number.

56603218 is a deficient number, since it is larger than the sum of its proper divisors (40430894).

56603218 is a wasteful number, since it uses less digits than its factorization.

56603218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043096.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56603218 is about 7523.5110154768. The cubic root of 56603218 is about 383.9550412136.

The spelling of 56603218 in words is "fifty-six million, six hundred three thousand, two hundred eighteen".