655126572 has 48 divisors (see below), whose sum is σ = 1598268672. Its totient is φ = 208464960.

The previous prime is 655126567. The next prime is 655126573. The reversal of 655126572 is 275621556.

It is a self number, because there is not a number n which added to its sum of digits gives 655126572.

It is not an unprimeable number, because it can be changed into a prime (655126573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155518 + ... + 159674.

It is an arithmetic number, because the mean of its divisors is an integer number (33297264).

Almost surely, 2^655126572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655126572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799134336).

655126572 is an abundant number, since it is smaller than the sum of its proper divisors (943142100).

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

655126572 is a wasteful number, since it uses less digits than its factorization.

655126572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4756 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 655126572 is about 25595.4404533307. The cubic root of 655126572 is about 868.5104966335.

The spelling of 655126572 in words is "six hundred fifty-five million, one hundred twenty-six thousand, five hundred seventy-two".