155562 has 16 divisors (see below), whose sum is σ = 339552. Its totient is φ = 47120.

The previous prime is 155557. The next prime is 155569. The reversal of 155562 is 265551.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (155569) 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 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (21222).

2¹⁵⁵⁵⁶² is an apocalyptic number.

155562 is an abundant number, since it is smaller than the sum of its proper divisors (183990).

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

155562 is a wasteful number, since it uses less digits than its factorization.

155562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its digits is 1500, while the sum is 24.

The square root of 155562 is about 394.4134886132. The cubic root of 155562 is about 53.7816975466.

It can be divided in two parts, 155 and 562, that added together give a palindrome (717).

The spelling of 155562 in words is "one hundred fifty-five thousand, five hundred sixty-two".