655503252 has 12 divisors (see below), whose sum is σ = 1529507616. Its totient is φ = 218501080.

The previous prime is 655503241. The next prime is 655503253. The reversal of 655503252 is 252305556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655503253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27312624 + ... + 27312647.

It is an arithmetic number, because the mean of its divisors is an integer number (127458968).

Almost surely, 2^655503252 is an apocalyptic number.

It is an amenable number.

655503252 is an abundant number, since it is smaller than the sum of its proper divisors (874004364).

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

655503252 is a wasteful number, since it uses less digits than its factorization.

655503252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54625278 (or 54625276 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 655503252 is about 25602.7977377473. The cubic root of 655503252 is about 868.6769213963.

The spelling of 655503252 in words is "six hundred fifty-five million, five hundred three thousand, two hundred fifty-two".