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55253912 = 2372342899
BaseRepresentation
bin1101001011000…
…1101110011000
310211222012010012
43102301232120
5103121111122
65252141052
71240436060
oct322615630
9124865105
1055253912
112920a09a
1216607788
13b5a792c
1474a43a0
154cb67e2
hex34b1b98

55253912 has 32 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 22650144.

The previous prime is 55253911. The next prime is 55253921. The reversal of 55253912 is 21935255.

55253912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20162 + ... + 22737.

It is an arithmetic number, because the mean of its divisors is an integer number (3861000).

Almost surely, 255253912 is an apocalyptic number.

It is an amenable number.

55253912 is an abundant number, since it is smaller than the sum of its proper divisors (68298088).

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

55253912 is a wasteful number, since it uses less digits than its factorization.

55253912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42935 (or 42931 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

The square root of 55253912 is about 7433.2975185983. The cubic root of 55253912 is about 380.8795691776.

It can be divided in two parts, 55253 and 912, that added together give a palindrome (56165).

The spelling of 55253912 in words is "fifty-five million, two hundred fifty-three thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 42899 85798 171596 300293 343192 600586 986677 1201172 1973354 2402344 3946708 6906739 7893416 13813478 27626956 55253912