56387011 has 8 divisors (see below), whose sum is σ = 59955984. Its totient is φ = 52846080.

The previous prime is 56386907. The next prime is 56387017. The reversal of 56387011 is 11078365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56387011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56387017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (7494498).

Almost surely, 2^56387011 is an apocalyptic number.

56387011 is a deficient number, since it is larger than the sum of its proper divisors (3568973).

56387011 is a wasteful number, since it uses less digits than its factorization.

56387011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 56387011 is about 7509.1285113520. The cubic root of 56387011 is about 383.4655538008.

The spelling of 56387011 in words is "fifty-six million, three hundred eighty-seven thousand, eleven".