155535 has 8 divisors (see below), whose sum is σ = 248880. Its totient is φ = 82944.

The previous prime is 155521. The next prime is 155537. The reversal of 155535 is 535551.

155535 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 155535 - 2¹¹ = 153487 is a prime.

It is a super-2 number, since 2×155535² = 48382272450, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155537) 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, 5170 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (31110).

2¹⁵⁵⁵³⁵ is an apocalyptic number.

155535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155535 is a deficient number, since it is larger than the sum of its proper divisors (93345).

155535 is a wasteful number, since it uses less digits than its factorization.

155535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377.

The product of its digits is 1875, while the sum is 24.

The square root of 155535 is about 394.3792590895. The cubic root of 155535 is about 53.7785858401.

The spelling of 155535 in words is "one hundred fifty-five thousand, five hundred thirty-five".