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55054212 = 2234587851
BaseRepresentation
bin1101001000000…
…0111110000100
310211121001011220
43102000332010
5103043213322
65244000340
71235644623
oct322007604
9124531156
1055054212
1129093054
12165300b0
13b537a75
1474516ba
154c7755c
hex3480f84

55054212 has 12 divisors (see below), whose sum is σ = 128459856. Its totient is φ = 18351400.

The previous prime is 55054199. The next prime is 55054271. The reversal of 55054212 is 21245055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293914 + ... + 2293937.

It is an arithmetic number, because the mean of its divisors is an integer number (10704988).

Almost surely, 255054212 is an apocalyptic number.

It is an amenable number.

55054212 is an abundant number, since it is smaller than the sum of its proper divisors (73405644).

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

55054212 is a wasteful number, since it uses less digits than its factorization.

55054212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587858 (or 4587856 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 55054212 is about 7419.8525591820. The cubic root of 55054212 is about 380.4201539298.

Adding to 55054212 its reverse (21245055), we get a palindrome (76299267).

The spelling of 55054212 in words is "fifty-five million, fifty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 4587851 9175702 13763553 18351404 27527106 55054212