56840653 has 8 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 56029008.

The previous prime is 56840633. The next prime is 56840671. The reversal of 56840653 is 35604865.

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

It is a cyclic number.

It is not a de Polignac number, because 56840653 - 2⁹ = 56840141 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 (56840603) 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, 23463 + ... + 25771.

It is an arithmetic number, because the mean of its divisors is an integer number (7207200).

Almost surely, 2^56840653 is an apocalyptic number.

It is an amenable number.

56840653 is a deficient number, since it is larger than the sum of its proper divisors (816947).

56840653 is a wasteful number, since it uses less digits than its factorization.

56840653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 56840653 is about 7539.2740366696. The cubic root of 56840653 is about 384.4911543817.

The spelling of 56840653 in words is "fifty-six million, eight hundred forty thousand, six hundred fifty-three".