56840485 has 16 divisors (see below), whose sum is σ = 73617264. Its totient is φ = 41882112.

The previous prime is 56840467. The next prime is 56840489. The reversal of 56840485 is 58404865.

It can be written as a sum of positive squares in 8 ways, for example, as 199809 + 56640676 = 447^2 + 7526^2 .

It is a cyclic number.

It is not a de Polignac number, because 56840485 - 2²¹ = 54743333 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 (56840489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47049 + ... + 48241.

It is an arithmetic number, because the mean of its divisors is an integer number (4601079).

Almost surely, 2^56840485 is an apocalyptic number.

It is an amenable number.

56840485 is a deficient number, since it is larger than the sum of its proper divisors (16776779).

56840485 is a wasteful number, since it uses less digits than its factorization.

56840485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 56840485 is about 7539.2628950051. The cubic root of 56840485 is about 384.4907755767.

The spelling of 56840485 in words is "fifty-six million, eight hundred forty thousand, four hundred eighty-five".