255945500 has 24 divisors (see below), whose sum is σ = 558986064. Its totient is φ = 102378000.

The previous prime is 255945491. The next prime is 255945511. The reversal of 255945500 is 5549552.

255945500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255446 + ... + 256445.

It is an arithmetic number, because the mean of its divisors is an integer number (23291086).

Almost surely, 2^255945500 is an apocalyptic number.

255945500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255945500 is an abundant number, since it is smaller than the sum of its proper divisors (303040564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255945500 is a wasteful number, since it uses less digits than its factorization.

255945500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511910 (or 511898 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 255945500 is about 15998.2967843455. The cubic root of 255945500 is about 634.9153585491.

The spelling of 255945500 in words is "two hundred fifty-five million, nine hundred forty-five thousand, five hundred".