56616147 has 12 divisors (see below), whose sum is σ = 93461680. Its totient is φ = 32352048.

The previous prime is 56616127. The next prime is 56616151. The reversal of 56616147 is 74161665.

It is not a de Polignac number, because 56616147 - 2⁶ = 56616083 is a prime.

It is a super-2 number, since 2×56616147² = 6410776202251218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56616127) 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, 449272 + ... + 449397.

Almost surely, 2^56616147 is an apocalyptic number.

56616147 is a deficient number, since it is larger than the sum of its proper divisors (36845533).

56616147 is a wasteful number, since it uses less digits than its factorization.

56616147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898682 (or 898679 counting only the distinct ones).

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

The square root of 56616147 is about 7524.3702062033. The cubic root of 56616147 is about 383.9842726306.

The spelling of 56616147 in words is "fifty-six million, six hundred sixteen thousand, one hundred forty-seven".