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55284576 = 253718111
BaseRepresentation
bin1101001011100…
…1001101100000
310212000202011220
43102321031200
5103123101301
65252535040
71240624344
oct322711540
9125022156
1055284576
1129230136
1216621480
13b5b8889
1474b1624
154cc0936
hex34b9360

55284576 has 48 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 18166400.

The previous prime is 55284553. The next prime is 55284577. The reversal of 55284576 is 67548255.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55284577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 255284576 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 55284576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73592064).

55284576 is an abundant number, since it is smaller than the sum of its proper divisors (91899552).

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

55284576 is a wasteful number, since it uses less digits than its factorization.

55284576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195 (or 8187 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 55284576 is about 7435.3598433432. The cubic root of 55284576 is about 380.9500144536.

The spelling of 55284576 in words is "fifty-five million, two hundred eighty-four thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 8111 16222 24333 32444 48666 64888 97332 129776 194664 259552 389328 575881 778656 1151762 1727643 2303524 3455286 4607048 6910572 9214096 13821144 18428192 27642288 55284576