Search a number
-
+
53153550 = 2335239373
BaseRepresentation
bin1100101011000…
…0111100001110
310201000110222000
43022300330032
5102101403200
65135133130
71213540422
oct312607416
9121013860
1053153550
112800505a
12159741a6
13b020908
1470b8b82
1549ee300
hex32b0f0e

53153550 has 48 divisors (see below), whose sum is σ = 146471280. Its totient is φ = 14173920.

The previous prime is 53153539. The next prime is 53153557. The reversal of 53153550 is 5535135.

53153550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53153557) 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 23 ways as a sum of consecutive naturals, for example, 18337 + ... + 21036.

It is an arithmetic number, because the mean of its divisors is an integer number (3051485).

Almost surely, 253153550 is an apocalyptic number.

53153550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53153550 is an abundant number, since it is smaller than the sum of its proper divisors (93317730).

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

53153550 is a wasteful number, since it uses less digits than its factorization.

53153550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39394 (or 39383 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 53153550 is about 7290.6481193375. The cubic root of 53153550 is about 375.9909789219.

Adding to 53153550 its reverse (5535135), we get a palindrome (58688685).

The spelling of 53153550 in words is "fifty-three million, one hundred fifty-three thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 39373 78746 118119 196865 236238 354357 393730 590595 708714 984325 1063071 1181190 1771785 1968650 2126142 2952975 3543570 5315355 5905950 8858925 10630710 17717850 26576775 53153550