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53129057 = 232671499
BaseRepresentation
bin1100101010101…
…0111101100001
310200222020100212
43022222331201
5102100112212
65134423505
71213406132
oct312527541
9120866325
1053129057
1127a98713
1215961b95
13b012717
1470adc89
1549e6e22
hex32aaf61

53129057 has 12 divisors (see below), whose sum is σ = 56406000. Its totient is φ = 50027208.

The previous prime is 53129051. The next prime is 53129059. The reversal of 53129057 is 75092135.

It is not a de Polignac number, because 53129057 - 26 = 53128993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53129051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34694 + ... + 36192.

It is an arithmetic number, because the mean of its divisors is an integer number (4700500).

Almost surely, 253129057 is an apocalyptic number.

It is an amenable number.

53129057 is a deficient number, since it is larger than the sum of its proper divisors (3276943).

53129057 is a wasteful number, since it uses less digits than its factorization.

53129057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 53129057 is about 7288.9681711474. The cubic root of 53129057 is about 375.9332182021.

The spelling of 53129057 in words is "fifty-three million, one hundred twenty-nine thousand, fifty-seven".

Divisors: 1 23 67 529 1499 1541 34477 35443 100433 792971 2309959 53129057