52001655 has 16 divisors (see below), whose sum is σ = 83345760. Its totient is φ = 27686528.

The previous prime is 52001647. The next prime is 52001659. The reversal of 52001655 is 55610025.

It is a cyclic number.

It is not a de Polignac number, because 52001655 - 2³ = 52001647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7141 + ... + 12449.

It is an arithmetic number, because the mean of its divisors is an integer number (5209110).

Almost surely, 2^52001655 is an apocalyptic number.

52001655 is a deficient number, since it is larger than the sum of its proper divisors (31344105).

52001655 is a wasteful number, since it uses less digits than its factorization.

52001655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 52001655 is about 7211.2173036180. The cubic root of 52001655 is about 373.2550754512.

The spelling of 52001655 in words is "fifty-two million, one thousand, six hundred fifty-five".