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53143053 = 3163108677
BaseRepresentation
bin1100101010111…
…0011000001101
310200222221120020
43022232120031
5102101034203
65135012353
71213465005
oct312563015
9120887506
1053143053
1127aa8187
121596a0b9
13b018bc2
1470b5005
1549eb153
hex32ae60d

53143053 has 8 divisors (see below), whose sum is σ = 71292768. Its totient is φ = 35211024.

The previous prime is 53143039. The next prime is 53143061. The reversal of 53143053 is 35034135.

It is a happy number.

53143053 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 de Polignac number, because none of the positive numbers 2k-53143053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143033) 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, 53850 + ... + 54827.

It is an arithmetic number, because the mean of its divisors is an integer number (8911596).

Almost surely, 253143053 is an apocalyptic number.

It is an amenable number.

53143053 is a deficient number, since it is larger than the sum of its proper divisors (18149715).

53143053 is a wasteful number, since it uses less digits than its factorization.

53143053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108843.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53143053 is about 7289.9281889467. The cubic root of 53143053 is about 375.9662265009.

Adding to 53143053 its reverse (35034135), we get a palindrome (88177188).

The spelling of 53143053 in words is "fifty-three million, one hundred forty-three thousand, fifty-three".

Divisors: 1 3 163 489 108677 326031 17714351 53143053