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54499769 = 190128669
BaseRepresentation
bin1100111111100…
…1100110111001
310210112212121222
43033321212321
5102422443034
65224041425
71231145312
oct317714671
9123485558
1054499769
1128844535
1216303275
13b3a25ac
147349609
154bb812e
hex33f99b9

54499769 has 4 divisors (see below), whose sum is σ = 54530340. Its totient is φ = 54469200.

The previous prime is 54499759. The next prime is 54499777. The reversal of 54499769 is 96799445.

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 22915369 + 31584400 = 4787^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 54499769 - 28 = 54499513 is a prime.

It is a super-2 number, since 2×544997692 = 5940449642106722, 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 54499769.

It is not an unprimeable number, because it can be changed into a prime (54499759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12434 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (13632585).

Almost surely, 254499769 is an apocalyptic number.

It is an amenable number.

54499769 is a deficient number, since it is larger than the sum of its proper divisors (30571).

54499769 is a wasteful number, since it uses less digits than its factorization.

54499769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30570.

The product of its digits is 2449440, while the sum is 53.

The square root of 54499769 is about 7382.3958848060. The cubic root of 54499769 is about 379.1387906783.

The spelling of 54499769 in words is "fifty-four million, four hundred ninety-nine thousand, seven hundred sixty-nine".

Divisors: 1 1901 28669 54499769