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55527438 = 2375112323
BaseRepresentation
bin1101001111010…
…0100000001110
310212111002022210
43103310200032
5103203334223
65302051250
71242655401
oct323644016
9125432283
1055527438
112938664a
1216719b26
13b672295
147535d38
154d1c893
hex34f480e

55527438 has 16 divisors (see below), whose sum is σ = 111211776. Its totient is φ = 18483000.

The previous prime is 55527421. The next prime is 55527463. The reversal of 55527438 is 83472555.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55527396 and 55527405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (6950736).

Almost surely, 255527438 is an apocalyptic number.

55527438 is an abundant number, since it is smaller than the sum of its proper divisors (55684338).

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

55527438 is a wasteful number, since it uses less digits than its factorization.

55527438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079.

The product of its digits is 168000, while the sum is 39.

The square root of 55527438 is about 7451.6735033145. The cubic root of 55527438 is about 381.5070301887.

The spelling of 55527438 in words is "fifty-five million, five hundred twenty-seven thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 751 1502 2253 4506 12323 24646 36969 73938 9254573 18509146 27763719 55527438