56871935 has 4 divisors (see below), whose sum is σ = 68246328. Its totient is φ = 45497544.

The previous prime is 56871931. The next prime is 56871937. The reversal of 56871935 is 53917865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56871935 - 2² = 56871931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5687189 + ... + 5687198.

It is an arithmetic number, because the mean of its divisors is an integer number (17061582).

Almost surely, 2^56871935 is an apocalyptic number.

56871935 is a deficient number, since it is larger than the sum of its proper divisors (11374393).

56871935 is a wasteful number, since it uses less digits than its factorization.

56871935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374392.

The product of its digits is 226800, while the sum is 44.

The square root of 56871935 is about 7541.3483542401. The cubic root of 56871935 is about 384.5616757772.

The spelling of 56871935 in words is "fifty-six million, eight hundred seventy-one thousand, nine hundred thirty-five".