255565432 has 8 divisors (see below), whose sum is σ = 479185200. Its totient is φ = 127782712.

The previous prime is 255565421. The next prime is 255565493. The reversal of 255565432 is 234565552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 255565391 and 255565400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15972832 + ... + 15972847.

It is an arithmetic number, because the mean of its divisors is an integer number (59898150).

Almost surely, 2^255565432 is an apocalyptic number.

It is an amenable number.

255565432 is a deficient number, since it is larger than the sum of its proper divisors (223619768).

255565432 is a wasteful number, since it uses less digits than its factorization.

255565432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31945685 (or 31945681 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

The square root of 255565432 is about 15986.4139818785. The cubic root of 255565432 is about 634.6009289086.

The spelling of 255565432 in words is "two hundred fifty-five million, five hundred sixty-five thousand, four hundred thirty-two".