155596 has 12 divisors (see below), whose sum is σ = 311248. Its totient is φ = 66672.

The previous prime is 155593. The next prime is 155599. The reversal of 155596 is 695551.

155596 = T₁₅₅ + T₁₅₆ + ... + T₁₆₆.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155593) and next prime (155599).

155596 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (155593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2751 + ... + 2806.

2¹⁵⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

155596 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155596 is a wasteful number, since it uses less digits than its factorization.

155596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 155596 is about 394.4565882325. The cubic root of 155596 is about 53.7856154797.

The spelling of 155596 in words is "one hundred fifty-five thousand, five hundred ninety-six".