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55043353 = 56996737
BaseRepresentation
bin1101000111111…
…0010100011001
310211120111021201
43101332110121
5103042341403
65243434201
71235601151
oct321762431
9124514251
1055043353
1129085982
1216525961
13b532b41
14744b761
154c7421d
hex347e519

55043353 has 4 divisors (see below), whose sum is σ = 55140660. Its totient is φ = 54946048.

The previous prime is 55043341. The next prime is 55043357. The reversal of 55043353 is 35334055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38044224 + 16999129 = 6168^2 + 4123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55043353 is a prime.

It is a super-3 number, since 3×550433533 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55043357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47800 + ... + 48937.

It is an arithmetic number, because the mean of its divisors is an integer number (13785165).

Almost surely, 255043353 is an apocalyptic number.

It is an amenable number.

55043353 is a deficient number, since it is larger than the sum of its proper divisors (97307).

55043353 is an equidigital number, since it uses as much as digits as its factorization.

55043353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97306.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 55043353 is about 7419.1207700104. The cubic root of 55043353 is about 380.3951406812.

The spelling of 55043353 in words is "fifty-five million, forty-three thousand, three hundred fifty-three".

Divisors: 1 569 96737 55043353