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55004232888 = 2332111671972111
BaseRepresentation
bin110011001110100000…
…011111110010111000
312020222100011112121200
4303032200133302320
51400122040423023
641134003334200
73655025160003
oct631640376270
9166870145550
1055004232888
1121366501310
12a7b0981360
135257751187
14293b1b453a
15166dd85743
hexcce81fcb8

55004232888 has 192 divisors, whose sum is σ = 164393349120. Its totient is φ = 16476230400.

The previous prime is 55004232839. The next prime is 55004232931. The reversal of 55004232888 is 88823240055.

55004232888 is a `hidden beast` number, since 5 + 500 + 42 + 3 + 28 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26054953 + ... + 26057063.

It is an arithmetic number, because the mean of its divisors is an integer number (856215360).

Almost surely, 255004232888 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 55004232888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82196674560).

55004232888 is an abundant number, since it is smaller than the sum of its proper divisors (109389116232).

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

55004232888 is a wasteful number, since it uses less digits than its factorization.

55004232888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 55004232888 in words is "fifty-five billion, four million, two hundred thirty-two thousand, eight hundred eighty-eight".