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54897097 = 173229241
BaseRepresentation
bin1101000101101…
…0100111001001
310211022001122211
43101122213021
5103023201342
65240345121
71234421563
oct321324711
9124261584
1054897097
1128a96002
12164751a1
13b4b13b8
147410333
154c45c17
hex345a9c9

54897097 has 4 divisors (see below), whose sum is σ = 58126356. Its totient is φ = 51667840.

The previous prime is 54897083. The next prime is 54897121. The reversal of 54897097 is 79079845.

It is a happy number.

54897097 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.

It can be written as a sum of positive squares in 2 ways, for example, as 21013056 + 33884041 = 4584^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 54897097 - 27 = 54896969 is a prime.

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 54897097.

It is not an unprimeable number, because it can be changed into a prime (54897047) 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, 1614604 + ... + 1614637.

It is an arithmetic number, because the mean of its divisors is an integer number (14531589).

Almost surely, 254897097 is an apocalyptic number.

It is an amenable number.

54897097 is a deficient number, since it is larger than the sum of its proper divisors (3229259).

54897097 is a wasteful number, since it uses less digits than its factorization.

54897097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229258.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 54897097 is about 7409.2575201568. The cubic root of 54897097 is about 380.0579251494.

The spelling of 54897097 in words is "fifty-four million, eight hundred ninety-seven thousand, ninety-seven".

Divisors: 1 17 3229241 54897097