255477572 has 72 divisors (see below), whose sum is σ = 565367040. Its totient is φ = 100336320.

The previous prime is 255477557. The next prime is 255477619. The reversal of 255477572 is 275774552.

255477572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114338 + ... + 116550.

It is an arithmetic number, because the mean of its divisors is an integer number (7852320).

Almost surely, 2^255477572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255477572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282683520).

255477572 is an abundant number, since it is smaller than the sum of its proper divisors (309889468).

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

255477572 is a wasteful number, since it uses less digits than its factorization.

255477572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2272 counting only the distinct ones).

The product of its digits is 686000, while the sum is 44.

The square root of 255477572 is about 15983.6657872967. The cubic root of 255477572 is about 634.5281981174.

The spelling of 255477572 in words is "two hundred fifty-five million, four hundred seventy-seven thousand, five hundred seventy-two".