655532154 has 48 divisors (see below), whose sum is σ = 1504256832. Its totient is φ = 205881984.

The previous prime is 655532147. The next prime is 655532161. The reversal of 655532154 is 451235556.

It is an interprime number because it is at equal distance from previous prime (655532147) and next prime (655532161).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15922 + ... + 39554.

It is an arithmetic number, because the mean of its divisors is an integer number (31338684).

Almost surely, 2^655532154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655532154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752128416).

655532154 is an abundant number, since it is smaller than the sum of its proper divisors (848724678).

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

655532154 is a wasteful number, since it uses less digits than its factorization.

655532154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731 (or 23728 counting only the distinct ones).

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

The square root of 655532154 is about 25603.3621620286. The cubic root of 655532154 is about 868.6896882444.

The spelling of 655532154 in words is "six hundred fifty-five million, five hundred thirty-two thousand, one hundred fifty-four".