56611667 has 8 divisors (see below), whose sum is σ = 65304576. Its totient is φ = 48070152.

The previous prime is 56611663. The next prime is 56611679. The reversal of 56611667 is 76611665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56611667 - 2² = 56611663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56611667.

It is not an unprimeable number, because it can be changed into a prime (56611663) 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 7 ways as a sum of consecutive naturals, for example, 37043 + ... + 38540.

It is an arithmetic number, because the mean of its divisors is an integer number (8163072).

Almost surely, 2^56611667 is an apocalyptic number.

56611667 is a deficient number, since it is larger than the sum of its proper divisors (8692909).

56611667 is a wasteful number, since it uses less digits than its factorization.

56611667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75697.

The product of its digits is 45360, while the sum is 38.

The square root of 56611667 is about 7524.0725009798. The cubic root of 56611667 is about 383.9741442190.

The spelling of 56611667 in words is "fifty-six million, six hundred eleven thousand, six hundred sixty-seven".