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54993593 = 60790599
BaseRepresentation
bin1101000111001…
…0001010111001
310211110222000202
43101302022321
5103034243333
65242411545
71235303114
oct321621271
9124428022
1054993593
1129051556
1216500bb5
13b5162b5
14743757b
154c645e8
hex34722b9

54993593 has 4 divisors (see below), whose sum is σ = 55084800. Its totient is φ = 54902388.

The previous prime is 54993583. The next prime is 54993607. The reversal of 54993593 is 39539945.

54993593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39539945 = 57907989.

It is a cyclic number.

It is not a de Polignac number, because 54993593 - 224 = 38216377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54993583) 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 3 ways as a sum of consecutive naturals, for example, 44693 + ... + 45906.

It is an arithmetic number, because the mean of its divisors is an integer number (13771200).

Almost surely, 254993593 is an apocalyptic number.

It is an amenable number.

54993593 is a deficient number, since it is larger than the sum of its proper divisors (91207).

54993593 is an equidigital number, since it uses as much as digits as its factorization.

54993593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91206.

The product of its digits is 656100, while the sum is 47.

The square root of 54993593 is about 7415.7665146632. The cubic root of 54993593 is about 380.2804785230.

The spelling of 54993593 in words is "fifty-four million, nine hundred ninety-three thousand, five hundred ninety-three".

Divisors: 1 607 90599 54993593