56845019 has 8 divisors (see below), whose sum is σ = 70871808. Its totient is φ = 44294760.

The previous prime is 56845001. The next prime is 56845031. The reversal of 56845019 is 91054865.

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 56845019 - 2¹² = 56840923 is a prime.

It is a super-2 number, since 2×56845019² = 6462712370220722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56845049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369047 + ... + 369200.

It is an arithmetic number, because the mean of its divisors is an integer number (8858976).

Almost surely, 2^56845019 is an apocalyptic number.

56845019 is a deficient number, since it is larger than the sum of its proper divisors (14026789).

56845019 is a wasteful number, since it uses less digits than its factorization.

56845019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738265.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 56845019 is about 7539.5635815344. The cubic root of 56845019 is about 384.5009985414.

The spelling of 56845019 in words is "fifty-six million, eight hundred forty-five thousand, nineteen".