56871849 has 16 divisors (see below), whose sum is σ = 78829632. Its totient is φ = 36439488.

The previous prime is 56871823. The next prime is 56871853. The reversal of 56871849 is 94817865.

It is not a de Polignac number, because 56871849 - 2⁷ = 56871721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56871798 and 56871807.

It is not an unprimeable number, because it can be changed into a prime (56871149) 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, 6127 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (4926852).

Almost surely, 2^56871849 is an apocalyptic number.

It is an amenable number.

56871849 is a deficient number, since it is larger than the sum of its proper divisors (21957783).

56871849 is a wasteful number, since it uses less digits than its factorization.

56871849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296.

The product of its digits is 483840, while the sum is 48.

The square root of 56871849 is about 7541.3426523398. The cubic root of 56871849 is about 384.5614819363.

The spelling of 56871849 in words is "fifty-six million, eight hundred seventy-one thousand, eight hundred forty-nine".