831255552 has 66 divisors (see below), whose sum is σ = 2400258978. Its totient is φ = 277082112.

The previous prime is 831255547. The next prime is 831255563. The reversal of 831255552 is 255552138.

831255552 is a `hidden beast` number, since 83 + 1 + 25 + 5 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 727704576 + 103550976 = 26976^2 + 10176^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35883 + ... + 54314.

Almost surely, 2^831255552 is an apocalyptic number.

It is an amenable number.

831255552 is an abundant number, since it is smaller than the sum of its proper divisors (1569003426).

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

831255552 is a wasteful number, since it uses less digits than its factorization.

831255552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90223 (or 90202 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 831255552 is about 28831.5027704072. The cubic root of 831255552 is about 940.2532711224.

The spelling of 831255552 in words is "eight hundred thirty-one million, two hundred fifty-five thousand, five hundred fifty-two".