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55589369472 = 2734721319443
BaseRepresentation
bin110011110001011000…
…100111011010000000
312022111010012120010000
4303301120213122000
51402321334310342
641312025040000
74005361562400
oct636130473200
9168433176100
1055589369472
112163682806a
12a934926000
13531ba44640
142994bac800
1516a541944c
hexcf1627680

55589369472 has 960 divisors, whose sum is σ = 218645935200. Its totient is φ = 13857951744.

The previous prime is 55589369449. The next prime is 55589369483. The reversal of 55589369472 is 27496398555.

55589369472 is a `hidden beast` number, since 5 + 5 + 589 + 3 + 6 + 9 + 47 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 125483683 + ... + 125484125.

Almost surely, 255589369472 is an apocalyptic number.

55589369472 is a gapful number since it is divisible by the number (52) 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 55589369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109322967600).

55589369472 is an abundant number, since it is smaller than the sum of its proper divisors (163056565728).

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

55589369472 is a wasteful number, since it uses less digits than its factorization.

55589369472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 487 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 55589369472 in words is "fifty-five billion, five hundred eighty-nine million, three hundred sixty-nine thousand, four hundred seventy-two".