255025500550 has 48 divisors (see below), whose sum is σ = 490273477632. Its totient is φ = 98593639200.

The previous prime is 255025500503. The next prime is 255025500553. The reversal of 255025500550 is 55005520552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255025500553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1115319 + ... + 1324381.

It is an arithmetic number, because the mean of its divisors is an integer number (10214030784).

Almost surely, 2^255025500550 is an apocalyptic number.

255025500550 is a deficient number, since it is larger than the sum of its proper divisors (235247977082).

255025500550 is a wasteful number, since it uses less digits than its factorization.

255025500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209893 (or 209888 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 255025500550 in words is "two hundred fifty-five billion, twenty-five million, five hundred thousand, five hundred fifty".