655411554 has 96 divisors (see below), whose sum is σ = 1720013760. Its totient is φ = 184415616.

The previous prime is 655411541. The next prime is 655411573. The reversal of 655411554 is 455114556.

655411554 is a `hidden beast` number, since 65 + 5 + 41 + 1 + 554 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175434 + ... + 179130.

It is an arithmetic number, because the mean of its divisors is an integer number (17916810).

Almost surely, 2^655411554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655411554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860006880).

655411554 is an abundant number, since it is smaller than the sum of its proper divisors (1064602206).

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

655411554 is a wasteful number, since it uses less digits than its factorization.

655411554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3776 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 655411554 is about 25601.0068942610. The cubic root of 655411554 is about 868.6364132571.

The spelling of 655411554 in words is "six hundred fifty-five million, four hundred eleven thousand, five hundred fifty-four".