56700067 has 4 divisors (see below), whose sum is σ = 56717640. Its totient is φ = 56682496.

The previous prime is 56700043. The next prime is 56700097. The reversal of 56700067 is 76000765.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56700067 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56700097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (14179410).

Almost surely, 2^56700067 is an apocalyptic number.

56700067 is a deficient number, since it is larger than the sum of its proper divisors (17573).

56700067 is a wasteful number, since it uses less digits than its factorization.

56700067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 56700067 is about 7529.9446877119. The cubic root of 56700067 is about 384.1739008168.

The spelling of 56700067 in words is "fifty-six million, seven hundred thousand, sixty-seven".