655516452 has 24 divisors (see below), whose sum is σ = 1578879232. Its totient is φ = 211456800.

The previous prime is 655516439. The next prime is 655516471. The reversal of 655516452 is 254615556.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 655516452.

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, 880699 + ... + 881442.

Almost surely, 2^655516452 is an apocalyptic number.

655516452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

655516452 is an abundant number, since it is smaller than the sum of its proper divisors (923362780).

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

655516452 is a wasteful number, since it uses less digits than its factorization.

655516452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762179 (or 1762177 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 655516452 is about 25603.0555207772. The cubic root of 655516452 is about 868.6827522641.

The spelling of 655516452 in words is "six hundred fifty-five million, five hundred sixteen thousand, four hundred fifty-two".