255501029 has 4 divisors (see below), whose sum is σ = 292001184. Its totient is φ = 219000876.

The previous prime is 255501017. The next prime is 255501031. The reversal of 255501029 is 920105552.

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.

It is a cyclic number.

It is not a de Polignac number, because 255501029 - 2²⁰ = 254452453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255500992 and 255501010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255501929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18250067 + ... + 18250080.

It is an arithmetic number, because the mean of its divisors is an integer number (73000296).

Almost surely, 2^255501029 is an apocalyptic number.

It is an amenable number.

255501029 is a deficient number, since it is larger than the sum of its proper divisors (36500155).

255501029 is an equidigital number, since it uses as much as digits as its factorization.

255501029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36500154.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 255501029 is about 15984.3995508120. The cubic root of 255501029 is about 634.5476175291.

The spelling of 255501029 in words is "two hundred fifty-five million, five hundred one thousand, twenty-nine".