56220862 has 4 divisors (see below), whose sum is σ = 84331296. Its totient is φ = 28110430.

The previous prime is 56220859. The next prime is 56220893. The reversal of 56220862 is 26802265.

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, 14055214 + ... + 14055217.

It is an arithmetic number, because the mean of its divisors is an integer number (21082824).

Almost surely, 2^56220862 is an apocalyptic number.

56220862 is a deficient number, since it is larger than the sum of its proper divisors (28110434).

56220862 is a wasteful number, since it uses less digits than its factorization.

56220862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28110433.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 56220862 is about 7498.0572150391. The cubic root of 56220862 is about 383.0885455869.

The spelling of 56220862 in words is "fifty-six million, two hundred twenty thousand, eight hundred sixty-two".