155053 has 4 divisors (see below), whose sum is σ = 158400. Its totient is φ = 151708.

The previous prime is 155047. The next prime is 155069. The reversal of 155053 is 350551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350551 = 397 ⋅883.

It is a cyclic number.

It is not a de Polignac number, because 155053 - 2¹⁷ = 23981 is a prime.

It is a Duffinian number.

155053 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 155053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155003) 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, 1603 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2¹⁵⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

155053 is a deficient number, since it is larger than the sum of its proper divisors (3347).

155053 is an equidigital number, since it uses as much as digits as its factorization.

155053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 155053 is about 393.7676980150. The cubic root of 155053 is about 53.7229754178.

The spelling of 155053 in words is "one hundred fifty-five thousand, fifty-three".