655115552 has 96 divisors (see below), whose sum is σ = 1594317312. Its totient is φ = 258038784.

The previous prime is 655115537. The next prime is 655115557. The reversal of 655115552 is 255511556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (655115557) 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, 1068398 + ... + 1069010.

It is an arithmetic number, because the mean of its divisors is an integer number (16607472).

Almost surely, 2^655115552 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 655115552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797158656).

655115552 is an abundant number, since it is smaller than the sum of its proper divisors (939201760).

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

655115552 is a wasteful number, since it uses less digits than its factorization.

655115552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1002 counting only the distinct ones).

The product of its digits is 37500, while the sum is 35.

The square root of 655115552 is about 25595.2251797088. The cubic root of 655115552 is about 868.5056268166.

The spelling of 655115552 in words is "six hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-two".