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53042555 = 5471311723
BaseRepresentation
bin1100101001010…
…1110101111011
310200210211201002
43022111311323
5102034330210
65132515215
71212566006
oct312256573
9120724632
1053042555
1127a39725
121591bb0b
13acb2237
14708a53d
1549cb4a5
hex3295d7b

53042555 has 16 divisors (see below), whose sum is σ = 65539584. Its totient is φ = 41190240.

The previous prime is 53042551. The next prime is 53042597. The reversal of 53042555 is 55524035.

It is a happy number.

It is not a de Polignac number, because 53042555 - 22 = 53042551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53042551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29924 + ... + 31646.

It is an arithmetic number, because the mean of its divisors is an integer number (4096224).

Almost surely, 253042555 is an apocalyptic number.

53042555 is a deficient number, since it is larger than the sum of its proper divisors (12497029).

53042555 is a wasteful number, since it uses less digits than its factorization.

53042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 53042555 is about 7283.0319922406. The cubic root of 53042555 is about 375.7290823260.

The spelling of 53042555 in words is "fifty-three million, forty-two thousand, five hundred fifty-five".

Divisors: 1 5 47 131 235 655 1723 6157 8615 30785 80981 225713 404905 1128565 10608511 53042555