1255330055 has 32 divisors (see below), whose sum is σ = 1752192000. Its totient is φ = 845591040.

The previous prime is 1255330049. The next prime is 1255330067. The reversal of 1255330055 is 5500335521.

It is not a de Polignac number, because 1255330055 - 2⁶ = 1255329991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836696 + ... + 838194.

It is an arithmetic number, because the mean of its divisors is an integer number (54756000).

Almost surely, 2^1255330055 is an apocalyptic number.

1255330055 is a deficient number, since it is larger than the sum of its proper divisors (496861945).

1255330055 is a wasteful number, since it uses less digits than its factorization.

1255330055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 1255330055 is about 35430.6372367193. The cubic root of 1255330055 is about 1078.7462746486.

Adding to 1255330055 its reverse (5500335521), we get a palindrome (6755665576).

The spelling of 1255330055 in words is "one billion, two hundred fifty-five million, three hundred thirty thousand, fifty-five".