56470687 has 12 divisors (see below), whose sum is σ = 70744296. Its totient is φ = 44679600.

The previous prime is 56470663. The next prime is 56470691. The reversal of 56470687 is 78607465.

It is a de Polignac number, because none of the positive numbers 2^k-56470687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56470607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43689 + ... + 44962.

It is an arithmetic number, because the mean of its divisors is an integer number (5895358).

Almost surely, 2^56470687 is an apocalyptic number.

56470687 is a deficient number, since it is larger than the sum of its proper divisors (14273609).

56470687 is a wasteful number, since it uses less digits than its factorization.

56470687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88678 (or 88671 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 56470687 is about 7514.6980644601. The cubic root of 56470687 is about 383.6551424095.

The spelling of 56470687 in words is "fifty-six million, four hundred seventy thousand, six hundred eighty-seven".