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54254445322453 = 137396017849069
BaseRepresentation
bin11000101011000000110001…
…11100001110000011010101
321010002200012120121121012121
430111200120330032003111
524102401101000304303
6311220051553415541
714266516506115615
oct1425403074160325
9233080176547177
1054254445322453
11163181a9a79512
126102a5bb6a5b1
13243723154b8bc
14d57d018b0a45
15641438d219bd
hex315818f0e0d5

54254445322453 has 4 divisors (see below), whose sum is σ = 54650463171660. Its totient is φ = 53858427473248.

The previous prime is 54254445322423. The next prime is 54254445322501. The reversal of 54254445322453 is 35422354445245.

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 32123752799524 + 22130692522929 = 5667782^2 + 4704327^2 .

It is a cyclic number.

It is not a de Polignac number, because 54254445322453 - 245 = 19070073233621 is a prime.

It is a super-2 number, since 2×542544453224532 (a number of 28 digits) 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 54254445322453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54254445322423) 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, 198008924398 + ... + 198008924671.

It is an arithmetic number, because the mean of its divisors is an integer number (13662615792915).

Almost surely, 254254445322453 is an apocalyptic number.

It is an amenable number.

54254445322453 is a deficient number, since it is larger than the sum of its proper divisors (396017849207).

54254445322453 is a wasteful number, since it uses less digits than its factorization.

54254445322453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396017849206.

The product of its digits is 46080000, while the sum is 52.

Adding to 54254445322453 its reverse (35422354445245), we get a palindrome (89676799767698).

The spelling of 54254445322453 in words is "fifty-four trillion, two hundred fifty-four billion, four hundred forty-five million, three hundred twenty-two thousand, four hundred fifty-three".

Divisors: 1 137 396017849069 54254445322453