56871112 has 32 divisors (see below), whose sum is σ = 112654080. Its totient is φ = 26873280.

The previous prime is 56871097. The next prime is 56871119. The reversal of 56871112 is 21117865.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (56871119) 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, 7998 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (3520440).

Almost surely, 2^56871112 is an apocalyptic number.

It is an amenable number.

56871112 is a deficient number, since it is larger than the sum of its proper divisors (55782968).

56871112 is a wasteful number, since it uses less digits than its factorization.

56871112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413 (or 5409 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 56871112 is about 7541.2937882037. The cubic root of 56871112 is about 384.5598207569.

Adding to 56871112 its reverse (21117865), we get a palindrome (77988977).

The spelling of 56871112 in words is "fifty-six million, eight hundred seventy-one thousand, one hundred twelve".