56424245 has 8 divisors (see below), whose sum is σ = 67769784. Its totient is φ = 45098944.

The previous prime is 56424233. The next prime is 56424287. The reversal of 56424245 is 54242465.

It can be written as a sum of positive squares in 4 ways, for example, as 28111204 + 28313041 = 5302^2 + 5321^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56424245 - 2⁴ = 56424229 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 1967 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (8471223).

Almost surely, 2^56424245 is an apocalyptic number.

It is an amenable number.

56424245 is a deficient number, since it is larger than the sum of its proper divisors (11345539).

56424245 is a wasteful number, since it uses less digits than its factorization.

56424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119.

The product of its digits is 38400, while the sum is 32.

The square root of 56424245 is about 7511.6073512931. The cubic root of 56424245 is about 383.5499397531.

The spelling of 56424245 in words is "fifty-six million, four hundred twenty-four thousand, two hundred forty-five".