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55372110 = 23547173227
BaseRepresentation
bin1101001100111…
…0100101001110
310212012012020220
43103032211032
5103133401420
65254452210
71241440503
oct323164516
9125165226
1055372110
112928a982
1216664066
13b619681
1474d54aa
154cdb840
hex34ce94e

55372110 has 64 divisors (see below), whose sum is σ = 137106432. Its totient is φ = 14304896.

The previous prime is 55372087. The next prime is 55372117. The reversal of 55372110 is 1127355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55372117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243817 + ... + 244043.

It is an arithmetic number, because the mean of its divisors is an integer number (2142288).

Almost surely, 255372110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55372110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68553216).

55372110 is an abundant number, since it is smaller than the sum of its proper divisors (81734322).

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

55372110 is a wasteful number, since it uses less digits than its factorization.

55372110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 55372110 is about 7441.2438476373. The cubic root of 55372110 is about 381.1509655874.

Adding to 55372110 its reverse (1127355), we get a palindrome (56499465).

The spelling of 55372110 in words is "fifty-five million, three hundred seventy-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 173 227 235 282 346 454 470 519 681 705 865 1038 1135 1362 1410 1730 2270 2595 3405 5190 6810 8131 10669 16262 21338 24393 32007 39271 40655 48786 53345 64014 78542 81310 106690 117813 121965 160035 196355 235626 243930 320070 392710 589065 1178130 1845737 3691474 5537211 9228685 11074422 18457370 27686055 55372110