56147066 has 4 divisors (see below), whose sum is σ = 84220602. Its totient is φ = 28073532.

The previous prime is 56147057. The next prime is 56147083. The reversal of 56147066 is 66074165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 271441 = 7475^2 + 521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14036765 + ... + 14036768.

Almost surely, 2^56147066 is an apocalyptic number.

56147066 is a deficient number, since it is larger than the sum of its proper divisors (28073536).

56147066 is a wasteful number, since it uses less digits than its factorization.

56147066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28073535.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 56147066 is about 7493.1345910774. The cubic root of 56147066 is about 382.9208570595.

The spelling of 56147066 in words is "fifty-six million, one hundred forty-seven thousand, sixty-six".