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54135453 = 323377447
BaseRepresentation
bin1100111010000…
…0101010011101
310202212100212210
43032200222131
5102324313303
65212151033
71225100211
oct316405235
9122770783
1054135453
1128615849
1216168479
13b2a5818
147292941
154b45203
hex33a0a9d

54135453 has 8 divisors (see below), whose sum is σ = 72491328. Its totient is φ = 35934944.

The previous prime is 54135449. The next prime is 54135467. The reversal of 54135453 is 35453145.

54135453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54135453 - 22 = 54135449 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54135453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54135253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38025 + ... + 39422.

It is an arithmetic number, because the mean of its divisors is an integer number (9061416).

Almost surely, 254135453 is an apocalyptic number.

It is an amenable number.

54135453 is a deficient number, since it is larger than the sum of its proper divisors (18355875).

54135453 is a wasteful number, since it uses less digits than its factorization.

54135453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77683.

The product of its digits is 18000, while the sum is 30.

The square root of 54135453 is about 7357.6798652836. The cubic root of 54135453 is about 378.2920882843.

Adding to 54135453 its reverse (35453145), we get a palindrome (89588598).

The spelling of 54135453 in words is "fifty-four million, one hundred thirty-five thousand, four hundred fifty-three".

Divisors: 1 3 233 699 77447 232341 18045151 54135453