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51054553 = 1117416659
BaseRepresentation
bin1100001011000…
…0011111011001
310120001211200101
43002300133121
5101032221203
65022135401
71156646044
oct302603731
9116054611
1051054553
1126901050
1215121561
13a7673c4
146acdc5b
15473741d
hex30b07d9

51054553 has 16 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 42611200.

The previous prime is 51054541. The next prime is 51054569. The reversal of 51054553 is 35545015.

51054553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51054553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51054593) 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 15 ways as a sum of consecutive naturals, for example, 4338 + ... + 10996.

It is an arithmetic number, because the mean of its divisors is an integer number (3776220).

Almost surely, 251054553 is an apocalyptic number.

It is an amenable number.

51054553 is a deficient number, since it is larger than the sum of its proper divisors (9364967).

51054553 is a wasteful number, since it uses less digits than its factorization.

51054553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 51054553 is about 7145.2468816690. The cubic root of 51054553 is about 370.9751559323.

Adding to 51054553 its reverse (35545015), we get a palindrome (86599568).

The spelling of 51054553 in words is "fifty-one million, fifty-four thousand, five hundred fifty-three".

Divisors: 1 11 17 41 187 451 697 6659 7667 73249 113203 273019 1245233 3003209 4641323 51054553