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55504284 = 223111992113
BaseRepresentation
bin1101001110111…
…0110110011100
310212102220120020
43103232312130
5103202114114
65301352140
71242531033
oct323566634
9125386506
1055504284
1129370210
1216708650
13b664894
14752b71a
154d15aa9
hex34eed9c

55504284 has 48 divisors (see below), whose sum is σ = 142060800. Its totient is φ = 16727040.

The previous prime is 55504279. The next prime is 55504297. The reversal of 55504284 is 48240555.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25212 + ... + 27324.

It is an arithmetic number, because the mean of its divisors is an integer number (2959600).

Almost surely, 255504284 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 55504284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71030400).

55504284 is an abundant number, since it is smaller than the sum of its proper divisors (86556516).

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

55504284 is a wasteful number, since it uses less digits than its factorization.

55504284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55504284 is about 7450.1197305815. The cubic root of 55504284 is about 381.4539954958.

The spelling of 55504284 in words is "fifty-five million, five hundred four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 199 398 597 796 1194 2113 2189 2388 4226 4378 6339 6567 8452 8756 12678 13134 23243 25356 26268 46486 69729 92972 139458 278916 420487 840974 1261461 1681948 2522922 4625357 5045844 9250714 13876071 18501428 27752142 55504284