255530755501 has 8 divisors (see below), whose sum is σ = 294136122560. Its totient is φ = 217450631808.

The previous prime is 255530755429. The next prime is 255530755537. The reversal of 255530755501 is 105557035552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255530755501 - 2⁷ = 255530755373 is a prime.

It is a super-3 number, since 3×255530755501³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is the 505501-st Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530755591) by changing a digit.

It is a nontrivial repunit in base 505500.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131309796 + ... + 131311741.

It is an arithmetic number, because the mean of its divisors is an integer number (36767015320).

Almost surely, 2^255530755501 is an apocalyptic number.

It is an amenable number.

255530755501 is a deficient number, since it is larger than the sum of its proper divisors (38605367059).

255530755501 is a wasteful number, since it uses less digits than its factorization.

255530755501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262621683.

The product of its (nonzero) digits is 656250, while the sum is 43.

The spelling of 255530755501 in words is "two hundred fifty-five billion, five hundred thirty million, seven hundred fifty-five thousand, five hundred one".