63155 has 8 divisors (see below), whose sum is σ = 80352. Its totient is φ = 47488.

The previous prime is 63149. The next prime is 63179. The reversal of 63155 is 55136.

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 63155 - 2¹⁰ = 62131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (10044).

2⁶³¹⁵⁵ is an apocalyptic number.

63155 is a deficient number, since it is larger than the sum of its proper divisors (17197).

63155 is a wasteful number, since it uses less digits than its factorization.

63155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its digits is 450, while the sum is 20.

The square root of 63155 is about 251.3065856678. The cubic root of 63155 is about 39.8231778331.

It can be divided in two parts, 631 and 55, that added together give a palindrome (686).

The spelling of 63155 in words is "sixty-three thousand, one hundred fifty-five".