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54958561 = 773131821
BaseRepresentation
bin1101000110100…
…1100111100001
310211102011222021
43101221213201
5103032133221
65241541441
71235066020
oct321514741
9124364867
1054958561
11290281a9
12164a4881
13b503378
1474288b7
154c59041
hex34699e1

54958561 has 16 divisors (see below), whose sum is σ = 64234368. Its totient is φ = 46051200.

The previous prime is 54958513. The next prime is 54958627. The reversal of 54958561 is 16585945.

54958561 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 not a de Polignac number, because 54958561 - 211 = 54956513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54958511) 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, 66531 + ... + 67351.

It is an arithmetic number, because the mean of its divisors is an integer number (4014648).

Almost surely, 254958561 is an apocalyptic number.

It is an amenable number.

54958561 is a deficient number, since it is larger than the sum of its proper divisors (9275807).

54958561 is a wasteful number, since it uses less digits than its factorization.

54958561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its digits is 216000, while the sum is 43.

The square root of 54958561 is about 7413.4041438465. The cubic root of 54958561 is about 380.1997126569.

The spelling of 54958561 in words is "fifty-four million, nine hundred fifty-eight thousand, five hundred sixty-one".

Divisors: 1 7 73 131 511 821 917 5747 9563 59933 66941 107551 419531 752857 7851223 54958561