56047849 has 16 divisors (see below), whose sum is σ = 68713344. Its totient is φ = 44985600.

The previous prime is 56047847. The next prime is 56047883. The reversal of 56047849 is 94874065.

It is not a de Polignac number, because 56047849 - 2¹ = 56047847 is a prime.

It is a super-2 number, since 2×56047849² = 6282722755053602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56047843) 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, 5232 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (4294584).

Almost surely, 2^56047849 is an apocalyptic number.

It is an amenable number.

56047849 is a deficient number, since it is larger than the sum of its proper divisors (12665495).

56047849 is a wasteful number, since it uses less digits than its factorization.

56047849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 56047849 is about 7486.5111367045. The cubic root of 56047849 is about 382.6951720150.

The spelling of 56047849 in words is "fifty-six million, forty-seven thousand, eight hundred forty-nine".