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55672332 = 2234639361
BaseRepresentation
bin1101010001011…
…1111000001100
310212202110002020
43110113320030
5103223003312
65305130140
71244131002
oct324277014
9125673066
1055672332
11294754a1
1216789950
13b6c3211
147572a72
154d4a78c
hex3517e0c

55672332 has 12 divisors (see below), whose sum is σ = 129902136. Its totient is φ = 18557440.

The previous prime is 55672319. The next prime is 55672361. The reversal of 55672332 is 23327655.

55672332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55672293 and 55672302.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2319669 + ... + 2319692.

It is an arithmetic number, because the mean of its divisors is an integer number (10825178).

Almost surely, 255672332 is an apocalyptic number.

It is an amenable number.

55672332 is an abundant number, since it is smaller than the sum of its proper divisors (74229804).

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

55672332 is a wasteful number, since it uses less digits than its factorization.

55672332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639368 (or 4639366 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 55672332 is about 7461.3894148476. The cubic root of 55672332 is about 381.8385783992.

Adding to 55672332 its reverse (23327655), we get a palindrome (78999987).

The spelling of 55672332 in words is "fifty-five million, six hundred seventy-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 4639361 9278722 13918083 18557444 27836166 55672332