255252552549 has 16 divisors (see below), whose sum is σ = 358997145600. Its totient is φ = 160875561456.

The previous prime is 255252552547. The next prime is 255252552571. The reversal of 255252552549 is 945255252552.

It is a happy number.

It is not a de Polignac number, because 255252552549 - 2¹ = 255252552547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255252552547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4647139 + ... + 4701744.

It is an arithmetic number, because the mean of its divisors is an integer number (22437321600).

Almost surely, 2^255252552549 is an apocalyptic number.

It is an amenable number.

255252552549 is a deficient number, since it is larger than the sum of its proper divisors (103744593051).

255252552549 is a wasteful number, since it uses less digits than its factorization.

255252552549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349384.

The product of its digits is 9000000, while the sum is 51.

The spelling of 255252552549 in words is "two hundred fifty-five billion, two hundred fifty-two million, five hundred fifty-two thousand, five hundred forty-nine".