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53424450 = 23252227523
BaseRepresentation
bin1100101111001…
…1000101000010
310201112020120100
43023303011002
5102134040300
65145023230
71216046262
oct313630502
9121466510
1053424450
112817a642
1215a84b16
13b0b7001
1471497a2
154a54700
hex32f3142

53424450 has 72 divisors (see below), whose sum is σ = 144441648. Its totient is φ = 14156640.

The previous prime is 53424443. The next prime is 53424451. The reversal of 53424450 is 5442435.

It is not an unprimeable number, because it can be changed into a prime (53424451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 101889 + ... + 102411.

It is an arithmetic number, because the mean of its divisors is an integer number (2006134).

Almost surely, 253424450 is an apocalyptic number.

53424450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53424450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72220824).

53424450 is an abundant number, since it is smaller than the sum of its proper divisors (91017198).

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

53424450 is a wasteful number, since it uses less digits than its factorization.

53424450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53424450 is about 7309.2031029381. The cubic root of 53424450 is about 376.6286497599.

Adding to 53424450 its reverse (5442435), we get a palindrome (58866885).

The spelling of 53424450 in words is "fifty-three million, four hundred twenty-four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 227 450 454 523 681 1046 1135 1362 1569 2043 2270 2615 3138 3405 4086 4707 5230 5675 6810 7845 9414 10215 11350 13075 15690 17025 20430 23535 26150 34050 39225 47070 51075 78450 102150 117675 118721 235350 237442 356163 593605 712326 1068489 1187210 1780815 2136978 2968025 3561630 5342445 5936050 8904075 10684890 17808150 26712225 53424450