52688155 has 8 divisors (see below), whose sum is σ = 68089392. Its totient is φ = 38908128.

The previous prime is 52688149. The next prime is 52688173. The reversal of 52688155 is 55188625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52688155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405229 + ... + 405358.

It is an arithmetic number, because the mean of its divisors is an integer number (8511174).

Almost surely, 2^52688155 is an apocalyptic number.

52688155 is a deficient number, since it is larger than the sum of its proper divisors (15401237).

52688155 is a wasteful number, since it uses less digits than its factorization.

52688155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810605.

The product of its digits is 96000, while the sum is 40.

The square root of 52688155 is about 7258.6606891354. The cubic root of 52688155 is about 374.8904094577.

The spelling of 52688155 in words is "fifty-two million, six hundred eighty-eight thousand, one hundred fifty-five".