655155528 has 32 divisors (see below), whose sum is σ = 1639440000. Its totient is φ = 218178368.

The previous prime is 655155481. The next prime is 655155541. The reversal of 655155528 is 825551556.

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 655155528.

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, 14098 + ... + 38846.

It is an arithmetic number, because the mean of its divisors is an integer number (51232500).

Almost surely, 2^655155528 is an apocalyptic number.

It is an amenable number.

655155528 is an abundant number, since it is smaller than the sum of its proper divisors (984284472).

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

655155528 is a wasteful number, since it uses less digits than its factorization.

655155528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861 (or 25857 counting only the distinct ones).

The product of its digits is 300000, while the sum is 42.

The square root of 655155528 is about 25596.0060947016. The cubic root of 655155528 is about 868.5232922369.

The spelling of 655155528 in words is "six hundred fifty-five million, one hundred fifty-five thousand, five hundred twenty-eight".