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55141164 = 223213591997
BaseRepresentation
bin1101001001011…
…0001100101100
310211202110110100
43102112030230
5103104004124
65245511100
71236456261
oct322261454
9124673410
1055141164
1129142411
1216572490
13b568510
147475268
154c931c9
hex349632c

55141164 has 72 divisors (see below), whose sum is σ = 152727120. Its totient is φ = 16670592.

The previous prime is 55141117. The next prime is 55141171. The reversal of 55141164 is 46114155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26614 + ... + 28610.

It is an arithmetic number, because the mean of its divisors is an integer number (2121210).

Almost surely, 255141164 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 55141164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76363560).

55141164 is an abundant number, since it is smaller than the sum of its proper divisors (97585956).

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

55141164 is a wasteful number, since it uses less digits than its factorization.

55141164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2074 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 55141164 is about 7425.7096630558. The cubic root of 55141164 is about 380.6203256805.

The spelling of 55141164 in words is "fifty-five million, one hundred forty-one thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 59 78 117 118 156 177 234 236 354 468 531 708 767 1062 1534 1997 2124 2301 3068 3994 4602 5991 6903 7988 9204 11982 13806 17973 23964 25961 27612 35946 51922 71892 77883 103844 117823 155766 233649 235646 311532 353469 467298 471292 706938 934596 1060407 1413876 1531699 2120814 3063398 4241628 4595097 6126796 9190194 13785291 18380388 27570582 55141164