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55132044 = 223114161167
BaseRepresentation
bin1101001001001…
…1111110001100
310211201222221120
43102103332030
5103103211134
65245400540
71236420552
oct322237614
9124658846
1055132044
1129136580
1216569150
13b564316
147471bd2
154c90649
hex3493f8c

55132044 has 96 divisors (see below), whose sum is σ = 146990592. Its totient is φ = 15936000.

The previous prime is 55132039. The next prime is 55132061. The reversal of 55132044 is 44023155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330049 + ... + 330215.

It is an arithmetic number, because the mean of its divisors is an integer number (1531152).

Almost surely, 255132044 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 55132044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73495296).

55132044 is an abundant number, since it is smaller than the sum of its proper divisors (91858548).

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

55132044 is a wasteful number, since it uses less digits than its factorization.

55132044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 55132044 is about 7425.0955549407. The cubic root of 55132044 is about 380.5993404581.

Adding to 55132044 its reverse (44023155), we get a palindrome (99155199).

Subtracting from 55132044 its reverse (44023155), we obtain a square (11108889 = 33332).

It can be divided in two parts, 5513 and 2044, that added together give a palindrome (7557).

The spelling of 55132044 in words is "fifty-five million, one hundred thirty-two thousand, forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 41 44 61 66 82 122 123 132 164 167 183 244 246 334 366 451 492 501 668 671 732 902 1002 1342 1353 1804 1837 2004 2013 2501 2684 2706 3674 4026 5002 5412 5511 6847 7348 7503 8052 10004 10187 11022 13694 15006 20374 20541 22044 27388 27511 30012 30561 40748 41082 55022 61122 75317 82164 82533 110044 112057 122244 150634 165066 224114 225951 301268 330132 336171 417667 448228 451902 672342 835334 903804 1253001 1344684 1670668 2506002 4594337 5012004 9188674 13783011 18377348 27566022 55132044