56240685 has 24 divisors (see below), whose sum is σ = 99327384. Its totient is φ = 29427840.

The previous prime is 56240683. The next prime is 56240693. The reversal of 56240685 is 58604265.

56240685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 50722884 = 2349^2 + 7122^2 .

It is not a de Polignac number, because 56240685 - 2¹ = 56240683 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56240683) 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 23 ways as a sum of consecutive naturals, for example, 9406 + ... + 14175.

It is an arithmetic number, because the mean of its divisors is an integer number (4138641).

Almost surely, 2^56240685 is an apocalyptic number.

It is an amenable number.

56240685 is a deficient number, since it is larger than the sum of its proper divisors (43086699).

56240685 is a wasteful number, since it uses less digits than its factorization.

56240685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23645 (or 23642 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 56240685 is about 7499.3789742885. The cubic root of 56240685 is about 383.1335648888.

The spelling of 56240685 in words is "fifty-six million, two hundred forty thousand, six hundred eighty-five".