56426219 has 8 divisors (see below), whose sum is σ = 59466240. Its totient is φ = 53393256.

The previous prime is 56426197. The next prime is 56426297. The reversal of 56426219 is 91262465.

It is a happy number.

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 56426219 - 2¹² = 56422123 is a prime.

It is a super-2 number, since 2×56426219² = 6367836381271922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56426719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25994 + ... + 28080.

It is an arithmetic number, because the mean of its divisors is an integer number (7433280).

Almost surely, 2^56426219 is an apocalyptic number.

56426219 is a deficient number, since it is larger than the sum of its proper divisors (3040021).

56426219 is a wasteful number, since it uses less digits than its factorization.

56426219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its digits is 25920, while the sum is 35.

The square root of 56426219 is about 7511.7387467883. The cubic root of 56426219 is about 383.5544125275.

The spelling of 56426219 in words is "fifty-six million, four hundred twenty-six thousand, two hundred nineteen".