56544019 has 16 divisors (see below), whose sum is σ = 68302080. Its totient is φ = 45727200.

The previous prime is 56543987. The next prime is 56544041. The reversal of 56544019 is 91044565.

It is a cyclic number.

It is not a de Polignac number, because 56544019 - 2⁵ = 56543987 is a prime.

It is a super-2 number, since 2×56544019² = 6394452169344722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56544119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38244 + ... + 39694.

It is an arithmetic number, because the mean of its divisors is an integer number (4268880).

Almost surely, 2^56544019 is an apocalyptic number.

56544019 is a deficient number, since it is larger than the sum of its proper divisors (11758061).

56544019 is a wasteful number, since it uses less digits than its factorization.

56544019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56544019 is about 7519.5757194140. The cubic root of 56544019 is about 383.8211402097.

The spelling of 56544019 in words is "fifty-six million, five hundred forty-four thousand, nineteen".