655530434 has 16 divisors (see below), whose sum is σ = 1059505272. Its totient is φ = 302389248.

The previous prime is 655530409. The next prime is 655530451. The reversal of 655530434 is 434035556.

It can be written as a sum of positive squares in 4 ways, for example, as 647549809 + 7980625 = 25447^2 + 2825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 655530394 and 655530403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51842 + ... + 63234.

Almost surely, 2^655530434 is an apocalyptic number.

655530434 is a deficient number, since it is larger than the sum of its proper divisors (403974838).

655530434 is a wasteful number, since it uses less digits than its factorization.

655530434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 655530434 is about 25603.3285726680. The cubic root of 655530434 is about 868.6889284812.

The spelling of 655530434 in words is "six hundred fifty-five million, five hundred thirty thousand, four hundred thirty-four".