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55530753 = 3107172993
BaseRepresentation
bin1101001111010…
…1010100000001
310212111020212120
43103311110001
5103203441003
65302114453
71243001145
oct323652401
9125436776
1055530753
1129389093
121671ba29
13b673945
147537225
154d1d853
hex34f5501

55530753 has 8 divisors (see below), whose sum is σ = 74733408. Its totient is φ = 36674304.

The previous prime is 55530731. The next prime is 55530779. The reversal of 55530753 is 35703555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55530753 - 222 = 51336449 is a prime.

It is a super-3 number, since 3×555307533 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55530793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86176 + ... + 86817.

It is an arithmetic number, because the mean of its divisors is an integer number (9341676).

Almost surely, 255530753 is an apocalyptic number.

It is an amenable number.

55530753 is a deficient number, since it is larger than the sum of its proper divisors (19202655).

55530753 is a wasteful number, since it uses less digits than its factorization.

55530753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173103.

The product of its (nonzero) digits is 39375, while the sum is 33.

The square root of 55530753 is about 7451.8959332508. The cubic root of 55530753 is about 381.5146220549.

The spelling of 55530753 in words is "fifty-five million, five hundred thirty thousand, seven hundred fifty-three".

Divisors: 1 3 107 321 172993 518979 18510251 55530753