56166056 has 8 divisors (see below), whose sum is σ = 105311370. Its totient is φ = 28083024.

The previous prime is 56166043. The next prime is 56166059. The reversal of 56166056 is 65066165.

It can be written as a sum of positive squares in only one way, i.e., 34692100 + 21473956 = 5890^2 + 4634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (56166059) 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 as a sum of consecutive naturals, namely, 3510371 + ... + 3510386.

Almost surely, 2^56166056 is an apocalyptic number.

It is an amenable number.

56166056 is a deficient number, since it is larger than the sum of its proper divisors (49145314).

56166056 is a wasteful number, since it uses less digits than its factorization.

56166056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020763 (or 7020759 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56166056 is about 7494.4016438939. The cubic root of 56166056 is about 382.9640225529.

The spelling of 56166056 in words is "fifty-six million, one hundred sixty-six thousand, fifty-six".