655206552 has 192 divisors, whose sum is σ = 2382831360. Its totient is φ = 157075200.

The previous prime is 655206547. The next prime is 655206557. The reversal of 655206552 is 255602556.

It is an interprime number because it is at equal distance from previous prime (655206547) and next prime (655206557).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655206557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67527 + ... + 76617.

It is an arithmetic number, because the mean of its divisors is an integer number (12410580).

Almost surely, 2^655206552 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 655206552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191415680).

655206552 is an abundant number, since it is smaller than the sum of its proper divisors (1727624808).

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

655206552 is a wasteful number, since it uses less digits than its factorization.

655206552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 655206552 is about 25597.0027932959. The cubic root of 655206552 is about 868.5458387317.

The spelling of 655206552 in words is "six hundred fifty-five million, two hundred six thousand, five hundred fifty-two".