56287105 has 16 divisors (see below), whose sum is σ = 78174720. Its totient is φ = 38106432.

The previous prime is 56287081. The next prime is 56287109. The reversal of 56287105 is 50178265.

It is not a de Polignac number, because 56287105 - 2⁷ = 56286977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56287109) 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, 7414 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (4885920).

Almost surely, 2^56287105 is an apocalyptic number.

It is an amenable number.

56287105 is a deficient number, since it is larger than the sum of its proper divisors (21887615).

56287105 is a wasteful number, since it uses less digits than its factorization.

56287105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 56287105 is about 7502.4732588660. The cubic root of 56287105 is about 383.2389463055.

The spelling of 56287105 in words is "fifty-six million, two hundred eighty-seven thousand, one hundred five".