155065053 has 32 divisors (see below), whose sum is σ = 244363392. Its totient is φ = 86227200.

The previous prime is 155065051. The next prime is 155065091. The reversal of 155065053 is 350560551.

It is not a de Polignac number, because 155065053 - 2¹ = 155065051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155065053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155065051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76651 + ... + 78647.

It is an arithmetic number, because the mean of its divisors is an integer number (7636356).

Almost surely, 2^155065053 is an apocalyptic number.

155065053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155065053 is a deficient number, since it is larger than the sum of its proper divisors (89298339).

155065053 is a wasteful number, since it uses less digits than its factorization.

155065053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 155065053 is about 12452.5119152724. The cubic root of 155065053 is about 537.2436742841.

The spelling of 155065053 in words is "one hundred fifty-five million, sixty-five thousand, fifty-three".