56224478 has 16 divisors (see below), whose sum is σ = 87165936. Its totient is φ = 27182400.

The previous prime is 56224471. The next prime is 56224499. The reversal of 56224478 is 87442265.

It is a super-2 number, since 2×56224478² = 6322383852744968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56224471) 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 in 7 ways as a sum of consecutive naturals, for example, 5450 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (5447871).

Almost surely, 2^56224478 is an apocalyptic number.

56224478 is a deficient number, since it is larger than the sum of its proper divisors (30941458).

56224478 is a wasteful number, since it uses less digits than its factorization.

56224478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its digits is 107520, while the sum is 38.

The square root of 56224478 is about 7498.2983402903. The cubic root of 56224478 is about 383.0967585434.

The spelling of 56224478 in words is "fifty-six million, two hundred twenty-four thousand, four hundred seventy-eight".