56867011 has 4 divisors (see below), whose sum is σ = 56883112. Its totient is φ = 56850912.

The previous prime is 56867009. The next prime is 56867033. The reversal of 56867011 is 11076865.

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

It is a cyclic number.

It is not a de Polignac number, because 56867011 - 2¹ = 56867009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56867071) 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, 201 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (14220778).

Almost surely, 2^56867011 is an apocalyptic number.

56867011 is a deficient number, since it is larger than the sum of its proper divisors (16101).

56867011 is a wasteful number, since it uses less digits than its factorization.

56867011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16100.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 56867011 is about 7541.0218803555. The cubic root of 56867011 is about 384.5505769441.

The spelling of 56867011 in words is "fifty-six million, eight hundred sixty-seven thousand, eleven".