655056054 has 48 divisors (see below), whose sum is σ = 1483582464. Its totient is φ = 208494000.

The previous prime is 655056043. The next prime is 655056079. The reversal of 655056054 is 450650556.

It is a happy number.

655056054 is a `hidden beast` number, since 6 + 550 + 56 + 0 + 54 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334779 + ... + 336729.

It is an arithmetic number, because the mean of its divisors is an integer number (30907968).

Almost surely, 2^655056054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655056054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741791232).

655056054 is an abundant number, since it is smaller than the sum of its proper divisors (828526410).

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

655056054 is a wasteful number, since it uses less digits than its factorization.

655056054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2790 counting only the distinct ones).

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

The square root of 655056054 is about 25594.0628662196. The cubic root of 655056054 is about 868.4793332810.

The spelling of 655056054 in words is "six hundred fifty-five million, fifty-six thousand, fifty-four".