655054080 has 144 divisors (see below), whose sum is σ = 2105974080. Its totient is φ = 173522944.

The previous prime is 655054069. The next prime is 655054093. The reversal of 655054080 is 80450556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686884 + ... + 687836.

It is an arithmetic number, because the mean of its divisors is an integer number (14624820).

Almost surely, 2^655054080 is an apocalyptic number.

655054080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655054080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052987040).

655054080 is an abundant number, since it is smaller than the sum of its proper divisors (1450920000).

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

655054080 is a wasteful number, since it uses less digits than its factorization.

655054080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 655054080 is about 25594.0243025594. The cubic root of 655054080 is about 868.4784608977.

The spelling of 655054080 in words is "six hundred fifty-five million, fifty-four thousand, eighty".