155552 has 12 divisors (see below), whose sum is σ = 306306. Its totient is φ = 77760.

The previous prime is 155539. The next prime is 155557. The reversal of 155552 is 255551.

155552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 99856 + 55696 = 316^2 + 236^2 .

It is not an unprimeable number, because it can be changed into a prime (155557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399 + ... + 2462.

2¹⁵⁵⁵⁵² is an apocalyptic number.

It is an amenable number.

155552 is a deficient number, since it is larger than the sum of its proper divisors (150754).

155552 is an equidigital number, since it uses as much as digits as its factorization.

155552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871 (or 4863 counting only the distinct ones).

The product of its digits is 1250, while the sum is 23.

The square root of 155552 is about 394.4008113582. The cubic root of 155552 is about 53.7805451047.

Subtracting 155552 from its reverse (255551), we obtain a palindrome (99999).

It can be divided in two parts, 155 and 552, that added together give a palindrome (707).

The spelling of 155552 in words is "one hundred fifty-five thousand, five hundred fifty-two".