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53005064 = 2372235879
BaseRepresentation
bin1100101000110…
…0101100001000
310200201221021112
43022030230020
5102032130224
65132025452
71212351500
oct312145410
9120657245
1053005064
1127a13542
1215902288
13ac9b158
14707aa00
1549c030e
hex328cb08

53005064 has 48 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 21725088.

The previous prime is 53005039. The next prime is 53005067. The reversal of 53005064 is 46050035.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (53005067) 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, 6077 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (2513700).

Almost surely, 253005064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53005064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60328800).

53005064 is an abundant number, since it is smaller than the sum of its proper divisors (67652536).

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

53005064 is a wasteful number, since it uses less digits than its factorization.

53005064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53005064 is about 7280.4576779211. The cubic root of 53005064 is about 375.6405384569.

Adding to 53005064 its reverse (46050035), we get a palindrome (99055099).

The spelling of 53005064 in words is "fifty-three million, five thousand, sixty-four".

Divisors: 1 2 4 7 8 14 23 28 46 49 56 92 98 161 184 196 322 392 644 1127 1288 2254 4508 5879 9016 11758 23516 41153 47032 82306 135217 164612 270434 288071 329224 540868 576142 946519 1081736 1152284 1893038 2304568 3786076 6625633 7572152 13251266 26502532 53005064