52840655 has 8 divisors (see below), whose sum is σ = 72467232. Its totient is φ = 36233568.

The previous prime is 52840649. The next prime is 52840657. The reversal of 52840655 is 55604825.

52840655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52840655 - 2¹² = 52836559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1509733 = 52840655 / (5 + 2 + 8 + 4 + 0 + 6 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840657) 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 7 ways as a sum of consecutive naturals, for example, 754832 + ... + 754901.

It is an arithmetic number, because the mean of its divisors is an integer number (9058404).

Almost surely, 2^52840655 is an apocalyptic number.

52840655 is a deficient number, since it is larger than the sum of its proper divisors (19626577).

52840655 is a wasteful number, since it uses less digits than its factorization.

52840655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509745.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 52840655 is about 7269.1577916565. The cubic root of 52840655 is about 375.2517539117.

The spelling of 52840655 in words is "fifty-two million, eight hundred forty thousand, six hundred fifty-five".