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53055057 = 3114779433
BaseRepresentation
bin1100101001100…
…0111001010001
310200211110212010
43022120321101
5102040230212
65133053133
71212650316
oct312307121
9120743763
1053055057
1127a48060
12159271a9
13acb7b33
147090d0d
1549d003c
hex3298e51

53055057 has 32 divisors (see below), whose sum is σ = 79994880. Its totient is φ = 31000320.

The previous prime is 53055053. The next prime is 53055083. The reversal of 53055057 is 75055035.

It is not a de Polignac number, because 53055057 - 22 = 53055053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53055053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122313 + ... + 122745.

It is an arithmetic number, because the mean of its divisors is an integer number (2499840).

Almost surely, 253055057 is an apocalyptic number.

It is an amenable number.

53055057 is a deficient number, since it is larger than the sum of its proper divisors (26939823).

53055057 is a wasteful number, since it uses less digits than its factorization.

53055057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 53055057 is about 7283.8902380527. The cubic root of 53055057 is about 375.7585994812.

The spelling of 53055057 in words is "fifty-three million, fifty-five thousand, fifty-seven".

Divisors: 1 3 11 33 47 79 141 237 433 517 869 1299 1551 2607 3713 4763 11139 14289 20351 34207 40843 61053 102621 122529 223861 376277 671583 1128831 1607729 4823187 17685019 53055057