56045019 has 8 divisors (see below), whose sum is σ = 74809872. Its totient is φ = 37321760.

The previous prime is 56044979. The next prime is 56045027. The reversal of 56045019 is 91054065.

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 56045019 - 2¹¹ = 56042971 is a prime.

It is a super-2 number, since 2×56045019² = 6282088309420722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045069) 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, 7104 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (9351234).

Almost surely, 2^56045019 is an apocalyptic number.

56045019 is a deficient number, since it is larger than the sum of its proper divisors (18764853).

56045019 is a wasteful number, since it uses less digits than its factorization.

56045019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56045019 is about 7486.3221277207. The cubic root of 56045019 is about 382.6887308189.

The spelling of 56045019 in words is "fifty-six million, forty-five thousand, nineteen".