56166471 has 12 divisors (see below), whose sum is σ = 83016648. Its totient is φ = 36573264.

The previous prime is 56166469. The next prime is 56166493. The reversal of 56166471 is 17466165.

56166471 is a `hidden beast` number, since 5 + 6 + 1 + 6 + 647 + 1 = 666.

It is not a de Polignac number, because 56166471 - 2¹ = 56166469 is a prime.

It is a super-3 number, since 3×56166471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72180 + ... + 72953.

It is an arithmetic number, because the mean of its divisors is an integer number (6918054).

Almost surely, 2^56166471 is an apocalyptic number.

56166471 is a deficient number, since it is larger than the sum of its proper divisors (26850177).

56166471 is a wasteful number, since it uses less digits than its factorization.

56166471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145182 (or 145179 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 56166471 is about 7494.4293311766. The cubic root of 56166471 is about 382.9649657660.

The spelling of 56166471 in words is "fifty-six million, one hundred sixty-six thousand, four hundred seventy-one".