56567667 has 8 divisors (see below), whose sum is σ = 81225424. Its totient is φ = 34810848.

The previous prime is 56567663. The next prime is 56567671. The reversal of 56567667 is 76676565.

It is an interprime number because it is at equal distance from previous prime (56567663) and next prime (56567671).

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

It is not a de Polignac number, because 56567667 - 2² = 56567663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56567663) 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, 725188 + ... + 725265.

It is an arithmetic number, because the mean of its divisors is an integer number (10153178).

Almost surely, 2^56567667 is an apocalyptic number.

56567667 is a deficient number, since it is larger than the sum of its proper divisors (24657757).

56567667 is a wasteful number, since it uses less digits than its factorization.

56567667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450469.

The product of its digits is 1587600, while the sum is 48.

The square root of 56567667 is about 7521.1479841843. The cubic root of 56567667 is about 383.8746403407.

The spelling of 56567667 in words is "fifty-six million, five hundred sixty-seven thousand, six hundred sixty-seven".