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55135060 = 2252756753
BaseRepresentation
bin1101001001010…
…0101101010100
310211202011002021
43102110231110
5103103310220
65245422524
71236432421
oct322245524
9124664067
1055135060
1129138872
121656aa44
13b5657c6
147472d48
154c914aa
hex3494b54

55135060 has 12 divisors (see below), whose sum is σ = 115783668. Its totient is φ = 22054016.

The previous prime is 55135049. The next prime is 55135099. The reversal of 55135060 is 6053155.

It can be written as a sum of positive squares in 2 ways, for example, as 23931664 + 31203396 = 4892^2 + 5586^2 .

It is a congruent number.

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, 1378357 + ... + 1378396.

It is an arithmetic number, because the mean of its divisors is an integer number (9648639).

Almost surely, 255135060 is an apocalyptic number.

It is an amenable number.

55135060 is an abundant number, since it is smaller than the sum of its proper divisors (60648608).

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

55135060 is a wasteful number, since it uses less digits than its factorization.

55135060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756762 (or 2756760 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55135060 is about 7425.2986471926. The cubic root of 55135060 is about 380.6062805641.

The spelling of 55135060 in words is "fifty-five million, one hundred thirty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 2756753 5513506 11027012 13783765 27567530 55135060