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53488000 = 27533343
BaseRepresentation
bin1100110000001…
…0100110000000
310201122110202001
43030002212000
5102143104000
65150233344
71216432456
oct314024600
9121573661
1053488000
1128213365
1215ab5854
13b109c07
1471649d6
154a6846a
hex3302980

53488000 has 64 divisors (see below), whose sum is σ = 133024320. Its totient is φ = 21388800.

The previous prime is 53487997. The next prime is 53488073. The reversal of 53488000 is 88435.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×534880002 = 5721932288000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53488000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14329 + ... + 17671.

It is an arithmetic number, because the mean of its divisors is an integer number (2078505).

Almost surely, 253488000 is an apocalyptic number.

53488000 is a gapful number since it is divisible by the number (50) 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 53488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66512160).

53488000 is an abundant number, since it is smaller than the sum of its proper divisors (79536320).

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

53488000 is an equidigital number, since it uses as much as digits as its factorization.

53488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 53488000 is about 7313.5490700480. The cubic root of 53488000 is about 376.7779276442. Note that the first 3 decimals are identical.

The spelling of 53488000 in words is "fifty-three million, four hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 3343 4000 6686 8000 13372 16000 16715 26744 33430 53488 66860 83575 106976 133720 167150 213952 267440 334300 417875 427904 534880 668600 835750 1069760 1337200 1671500 2139520 2674400 3343000 5348800 6686000 10697600 13372000 26744000 53488000