655732553 has 36 divisors (see below), whose sum is σ = 827672832. Its totient is φ = 516479040.

The previous prime is 655732531. The next prime is 655732573. The reversal of 655732553 is 355237556.

It is not a de Polignac number, because 655732553 - 2¹⁶ = 655667017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655732553.

It is not an unprimeable number, because it can be changed into a prime (655732573) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4786301 + ... + 4786437.

It is an arithmetic number, because the mean of its divisors is an integer number (22990912).

Almost surely, 2^655732553 is an apocalyptic number.

It is an amenable number.

655732553 is a deficient number, since it is larger than the sum of its proper divisors (171940279).

655732553 is a wasteful number, since it uses less digits than its factorization.

655732553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 198 counting only the distinct ones).

The product of its digits is 472500, while the sum is 41.

The square root of 655732553 is about 25607.2753919662. The cubic root of 655732553 is about 868.7781999507.

The spelling of 655732553 in words is "six hundred fifty-five million, seven hundred thirty-two thousand, five hundred fifty-three".