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53289656 = 2372672029
BaseRepresentation
bin1100101101001…
…0001010111000
310201021101122222
43023102022320
5102120232111
65142103212
71214645300
oct313221270
9121241588
1053289656
1128098342
1215a1ab08
13b06a854
147112600
154a297db
hex32d22b8

53289656 has 48 divisors (see below), whose sum is σ = 118024200. Its totient is φ = 22486464.

The previous prime is 53289647. The next prime is 53289659. The reversal of 53289656 is 65698235.

53289656 = T313 + T314 + ... + T704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53289659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25250 + ... + 27278.

Almost surely, 253289656 is an apocalyptic number.

53289656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53289656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59012100).

53289656 is an abundant number, since it is smaller than the sum of its proper divisors (64734544).

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

53289656 is a wasteful number, since it uses less digits than its factorization.

53289656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2105 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 53289656 is about 7299.9764383181. The cubic root of 53289656 is about 376.3116286285.

The spelling of 53289656 in words is "fifty-three million, two hundred eighty-nine thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 49 56 67 98 134 196 268 392 469 536 938 1876 2029 3283 3752 4058 6566 8116 13132 14203 16232 26264 28406 56812 99421 113624 135943 198842 271886 397684 543772 795368 951601 1087544 1903202 3806404 6661207 7612808 13322414 26644828 53289656