56420206 has 4 divisors (see below), whose sum is σ = 84630312. Its totient is φ = 28210102.

The previous prime is 56420183. The next prime is 56420213. The reversal of 56420206 is 60202465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 14105050 + ... + 14105053.

It is an arithmetic number, because the mean of its divisors is an integer number (21157578).

Almost surely, 2^56420206 is an apocalyptic number.

56420206 is a deficient number, since it is larger than the sum of its proper divisors (28210106).

56420206 is a wasteful number, since it uses less digits than its factorization.

56420206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28210105.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56420206 is about 7511.3384959007. The cubic root of 56420206 is about 383.5407876875.

The spelling of 56420206 in words is "fifty-six million, four hundred twenty thousand, two hundred six".