56424445 has 64 divisors (see below), whose sum is σ = 92192256. Its totient is φ = 32071680.

The previous prime is 56424443. The next prime is 56424463. The reversal of 56424445 is 54442465.

It is not a de Polignac number, because 56424445 - 2¹ = 56424443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56424445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56424443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242049 + ... + 242281.

It is an arithmetic number, because the mean of its divisors is an integer number (1440504).

Almost surely, 2^56424445 is an apocalyptic number.

56424445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56424445 is a deficient number, since it is larger than the sum of its proper divisors (35767811).

56424445 is a wasteful number, since it uses less digits than its factorization.

56424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 76800, while the sum is 34.

The square root of 56424445 is about 7511.6206640112. The cubic root of 56424445 is about 383.5503929265.

The spelling of 56424445 in words is "fifty-six million, four hundred twenty-four thousand, four hundred forty-five".