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54353253 = 318117751
BaseRepresentation
bin1100111101010…
…1110101100101
310210021102122110
43033111311211
5102403301003
65220551233
71226665203
oct317256545
9123242573
1054353253
1128754449
1216252519
13b3509b6
14730c073
154b89a03
hex33d5d65

54353253 has 4 divisors (see below), whose sum is σ = 72471008. Its totient is φ = 36235500.

The previous prime is 54353231. The next prime is 54353293. The reversal of 54353253 is 35235345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54353253 - 210 = 54352229 is a prime.

It is a super-2 number, since 2×543532532 = 5908552223364018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54353253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54353293) 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, 9058873 + ... + 9058878.

It is an arithmetic number, because the mean of its divisors is an integer number (18117752).

Almost surely, 254353253 is an apocalyptic number.

It is an amenable number.

54353253 is a deficient number, since it is larger than the sum of its proper divisors (18117755).

54353253 is a wasteful number, since it uses less digits than its factorization.

54353253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18117754.

The product of its digits is 27000, while the sum is 30.

The square root of 54353253 is about 7372.4658697074. The cubic root of 54353253 is about 378.7987295840.

Adding to 54353253 its reverse (35235345), we get a palindrome (89588598).

The spelling of 54353253 in words is "fifty-four million, three hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 3 18117751 54353253