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53082557 = 1129166403
BaseRepresentation
bin1100101001111…
…1100110111101
310200212212120122
43022133212331
5102042120212
65133424325
71213123433
oct312374675
9120785518
1053082557
1127a66790
121593b0a5
13acc74c8
14709ad53
1549d8272
hex329f9bd

53082557 has 8 divisors (see below), whose sum is σ = 59905440. Its totient is φ = 46592560.

The previous prime is 53082553. The next prime is 53082569. The reversal of 53082557 is 75528035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53082557 - 22 = 53082553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53082553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82883 + ... + 83520.

It is an arithmetic number, because the mean of its divisors is an integer number (7488180).

Almost surely, 253082557 is an apocalyptic number.

It is an amenable number.

53082557 is a deficient number, since it is larger than the sum of its proper divisors (6822883).

53082557 is a wasteful number, since it uses less digits than its factorization.

53082557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166443.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 53082557 is about 7285.7777210124. Note that the first 4 decimals coincide. The cubic root of 53082557 is about 375.8235105203.

The spelling of 53082557 in words is "fifty-three million, eighty-two thousand, five hundred fifty-seven".

Divisors: 1 11 29 319 166403 1830433 4825687 53082557