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55080536 = 237983581
BaseRepresentation
bin1101001000011…
…1011001011000
310211122101021212
43102013121120
5103100034121
65244322252
71236114440
oct322073130
9124571255
1055080536
1129100905
1216543388
13b546a44
14745b120
154c8025b
hex3487658

55080536 has 16 divisors (see below), whose sum is σ = 118029840. Its totient is φ = 23605920.

The previous prime is 55080533. The next prime is 55080547. The reversal of 55080536 is 63508055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55080533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491735 + ... + 491846.

It is an arithmetic number, because the mean of its divisors is an integer number (7376865).

Almost surely, 255080536 is an apocalyptic number.

55080536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55080536 is an abundant number, since it is smaller than the sum of its proper divisors (62949304).

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

55080536 is a wasteful number, since it uses less digits than its factorization.

55080536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983594 (or 983590 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55080536 is about 7421.6262368837. The cubic root of 55080536 is about 380.4807765059.

The spelling of 55080536 in words is "fifty-five million, eighty thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 983581 1967162 3934324 6885067 7868648 13770134 27540268 55080536