56787701 has 4 divisors (see below), whose sum is σ = 60128172. Its totient is φ = 53447232.

The previous prime is 56787673. The next prime is 56787719. The reversal of 56787701 is 10778765.

56787701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23136100 + 33651601 = 4810^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 56787701 - 2²² = 52593397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56787721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670210 + ... + 1670243.

It is an arithmetic number, because the mean of its divisors is an integer number (15032043).

Almost surely, 2^56787701 is an apocalyptic number.

It is an amenable number.

56787701 is a deficient number, since it is larger than the sum of its proper divisors (3340471).

56787701 is a wasteful number, since it uses less digits than its factorization.

56787701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340470.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 56787701 is about 7535.7614744629. The cubic root of 56787701 is about 384.3717216633.

The spelling of 56787701 in words is "fifty-six million, seven hundred eighty-seven thousand, seven hundred one".