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52800053 = 181487599
BaseRepresentation
bin1100100101101…
…0101000110101
310200100112001112
43021122220311
5102004100203
65123404405
71210536005
oct311325065
9120315045
1052800053
1127893509
1215823705
13ac28a47
147026005
15497e6d8
hex325aa35

52800053 has 8 divisors (see below), whose sum is σ = 53289600. Its totient is φ = 52313040.

The previous prime is 52800049. The next prime is 52800061. The reversal of 52800053 is 35000825.

52800053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52800053 - 22 = 52800049 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 (52800353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87848 + ... + 88446.

It is an arithmetic number, because the mean of its divisors is an integer number (6661200).

Almost surely, 252800053 is an apocalyptic number.

It is an amenable number.

52800053 is a deficient number, since it is larger than the sum of its proper divisors (489547).

52800053 is a wasteful number, since it uses less digits than its factorization.

52800053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52800053 is about 7266.3644967755. The cubic root of 52800053 is about 375.1556165989.

Adding to 52800053 its reverse (35000825), we get a palindrome (87800878).

The spelling of 52800053 in words is "fifty-two million, eight hundred thousand, fifty-three".

Divisors: 1 181 487 599 88147 108419 291713 52800053