Search a number
-
+
52500053 = 2319311827
BaseRepresentation
bin1100100001000…
…1011001010101
310122210021112102
43020101121111
5101420000203
65113131445
71205146244
oct310213125
9118707472
1052500053
11276a9081
12156b9b85
13ab52328
146d8895b
154920888
hex3211655

52500053 has 8 divisors (see below), whose sum is σ = 55071168. Its totient is φ = 49953024.

The previous prime is 52500047. The next prime is 52500079. The reversal of 52500053 is 35000525.

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 52500053 - 212 = 52495957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52499998 and 52500034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (6883896).

Almost surely, 252500053 is an apocalyptic number.

It is an amenable number.

52500053 is a deficient number, since it is larger than the sum of its proper divisors (2571115).

52500053 is a wasteful number, since it uses less digits than its factorization.

52500053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 52500053 is about 7245.6920304413. The cubic root of 52500053 is about 374.4437453641.

Adding to 52500053 its reverse (35000525), we get a palindrome (87500578).

The spelling of 52500053 in words is "fifty-two million, five hundred thousand, fifty-three".

Divisors: 1 23 193 4439 11827 272021 2282611 52500053